SB2026043061 - Multiple vulnerabilities in Wireshark
Published: April 30, 2026 Updated: April 30, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 43 vulnerabilities.
1) Uncontrolled Recursion (CVE-ID: CVE-2026-5409)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion in the Monero protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
2) Heap-based buffer overflow (CVE-ID: CVE-2026-6529)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the iLBC audio codec. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
3) Heap-based buffer overflow (CVE-ID: CVE-2026-6530)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the DCP-ETSI protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
4) Infinite loop (CVE-ID: CVE-2026-6531)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the SANE protocol dissector. A remote attacker can consume all available system resources and cause denial of service conditions.
5) Out-of-bounds read (CVE-ID: CVE-2026-6532)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in the Kismet protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger an out-of-bounds read error and cause a denial of service condition on the system.
6) Improperly Controlled Sequential Memory Allocation (CVE-ID: CVE-2026-6533)
CWE-ID: CWE-1325 - Improperly Controlled Sequential Memory Allocation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improperly controlled sequential memory allocation within Dissection engine zlib decompression. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
7) Infinite loop (CVE-ID: CVE-2026-6534)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the USB HID protocol dissector. A remote attacker can perform a denial of service (DoS) attack.
8) Improperly Controlled Sequential Memory Allocation (CVE-ID: CVE-2026-6535)
CWE-ID: CWE-1325 - Improperly Controlled Sequential Memory Allocation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improperly controlled sequential memory allocation within Dissection engine zlib decompression. A remote attacker can perform a denial of service (DoS) attack.
9) Infinite loop (CVE-ID: CVE-2026-6536)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the DLMS/COSEM protocol dissector. A remote attacker can consume all available system resources and cause denial of service conditions.
10) Stack-based buffer overflow (CVE-ID: CVE-2026-6537)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the ZigBee protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger stack-based buffer overflow and cause a denial of service condition on the target system.
11) Stack-based buffer overflow (CVE-ID: CVE-2026-6538)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the BEEP protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger stack-based buffer overflow and cause a denial of service condition on the target system.
12) Heap-based buffer overflow (CVE-ID: CVE-2026-5653)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the DCP-ETSI protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
13) Path traversal (CVE-ID: CVE-2026-5656)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the Configuration Profile import feature. A remote attacker can trick a victim to import a malformed configuration profile and write arbitrary files on the system, leading to arbitrary code execution.
14) Double free (CVE-ID: CVE-2026-5657)
CWE-ID: CWE-415 - Double Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the iLBC codec. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger double free error and cause a denial of service condition on the target system.
15) Use-after-free (CVE-ID: CVE-2026-5655)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the SDP protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
16) Stack-based buffer overflow (CVE-ID: CVE-2026-5654)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the AMR-NB codec. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger stack-based buffer overflow and cause a denial of service condition on the target system.
17) Heap-based buffer overflow (CVE-ID: CVE-2026-5405)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the RDP dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
18) Heap-based buffer overflow (CVE-ID: CVE-2026-5403)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the SBC audio codec. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
19) Stack-based buffer overflow (CVE-ID: CVE-2026-5404)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the K12 RF5 file parser. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger stack-based buffer overflow and cause a denial of service condition on the target system.
20) Heap-based buffer overflow (CVE-ID: CVE-2026-5402)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the TLS protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
21) Uncontrolled Recursion (CVE-ID: CVE-2026-5401)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion in the AFP Spotlight protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
22) Uncontrolled Recursion (CVE-ID: CVE-2026-5299)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion in the ICMPv6 PvD protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
23) Infinite loop (CVE-ID: CVE-2026-5407)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the SMB2 protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and cause denial of service conditions.
24) Uncontrolled Recursion (CVE-ID: CVE-2026-5406)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion in the FC-SWILS protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
25) Uncontrolled Recursion (CVE-ID: CVE-2026-5408)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite recursion in the BT-DHT protocol dissector. A remote attacker can trick a victim to open a specially crafted packet trace file and perform a denial of service (DoS) attack.
26) Input validation error (CVE-ID: CVE-2026-6521)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the OpenFlow v5 protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet trace file.
27) Input validation error (CVE-ID: CVE-2026-6520)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the OpenFlow v6 protocol dissector when parsing a malformed packet or packet trace file. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet trace file.
28) Input validation error (CVE-ID: CVE-2026-6519)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in MBIM protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet trace file.
29) Infinite loop (CVE-ID: CVE-2026-6522)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an infinite loop in the RPKI-Router protocol dissector when parsing malformed packet data. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation uses a malformed packet trace file.
30) Input validation error (CVE-ID: CVE-2026-6870)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the GSM RP protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet trace file.
31) Input validation error (CVE-ID: CVE-2026-6869)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the WebSocket protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet trace file to cause a denial of service.
User interaction is required to open a crafted packet trace file.
32) Input validation error (CVE-ID: CVE-2026-6867)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the SMB2 protocol dissector when parsing malformed SMB2 packets or malformed packet trace files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a malformed packet trace file.
33) Input validation error (CVE-ID: CVE-2026-6868)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the HTTP protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation uses a malformed packet trace file.
34) Resource exhaustion (CVE-ID: N/A)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in sharkd utility when handling requests. A remote attacker can send crafted requests to cause a denial of service.
The issue could leak memory and may also cause excessive CPU consumption.
35) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in sharkd utility when handling requests. A remote attacker can send a crafted request to cause a denial of service.
36) Input validation error (CVE-ID: CVE-2026-6527)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in ASN.1 PER dissectors when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet trace file.
37) Input validation error (CVE-ID: CVE-2026-6524)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the MySQL protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a malformed packet trace file.
38) Infinite loop (CVE-ID: CVE-2026-6523)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an infinite loop in the GNW protocol dissector when processing a malformed packet or parsing a malformed packet trace file. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet trace file to cause a denial of service.
User interaction is required to open a malformed packet trace file.
39) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in sharkd utility when handling requests. A remote attacker can send a crafted request to cause a denial of service.
40) Infinite loop (CVE-ID: N/A)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper loop control in the UDS protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet trace file.
41) Input validation error (CVE-ID: CVE-2026-6528)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the TLS protocol dissector when parsing crafted TLS traffic. A remote attacker can supply malformed input to trigger an infinite loop to cause a denial of service.
42) Input validation error (CVE-ID: CVE-2026-6526)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the RTSP protocol dissector when parsing malformed RTSP packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a malformed packet trace file.
43) Input validation error (CVE-ID: CVE-2026-6525)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the IEEE 802.11 protocol dissector when parsing malformed packets or packet trace files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet trace file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet trace file.
Remediation
Install update from vendor's website.
References
- https://www.wireshark.org/security/wnpa-sec-2026-08.html
- https://www.wireshark.org/security/wnpa-sec-2026-32.html
- https://www.wireshark.org/security/wnpa-sec-2026-31.html
- https://www.wireshark.org/security/wnpa-sec-2026-30.html
- https://www.wireshark.org/security/wnpa-sec-2026-29.html
- https://www.wireshark.org/security/wnpa-sec-2026-28.html
- https://www.wireshark.org/security/wnpa-sec-2026-27.html
- https://www.wireshark.org/security/wnpa-sec-2026-26.html
- https://www.wireshark.org/security/wnpa-sec-2026-25.html
- https://www.wireshark.org/security/wnpa-sec-2026-24.html
- https://www.wireshark.org/security/wnpa-sec-2026-23.html
- https://www.wireshark.org/security/wnpa-sec-2026-22.html
- https://www.wireshark.org/security/wnpa-sec-2026-21.html
- https://www.wireshark.org/security/wnpa-sec-2026-20.html
- https://www.wireshark.org/security/wnpa-sec-2026-19.html
- https://www.wireshark.org/security/wnpa-sec-2026-18.html
- https://www.wireshark.org/security/wnpa-sec-2026-17.html
- https://www.wireshark.org/security/wnpa-sec-2026-16.html
- https://www.wireshark.org/security/wnpa-sec-2026-15.html
- https://www.wireshark.org/security/wnpa-sec-2026-14.html
- https://www.wireshark.org/security/wnpa-sec-2026-13.html
- https://www.wireshark.org/security/wnpa-sec-2026-12.html
- https://www.wireshark.org/security/wnpa-sec-2026-11.html
- https://www.wireshark.org/security/wnpa-sec-2026-10.html
- https://www.wireshark.org/security/wnpa-sec-2026-09.html
- https://www.wireshark.org/security/wnpa-sec-2026-39.html
- https://gitlab.com/wireshark/wireshark/-/issues/21182
- https://www.wireshark.org/security/wnpa-sec-2026-40.html
- https://gitlab.com/wireshark/wireshark/-/issues/21181
- https://www.wireshark.org/security/wnpa-sec-2026-41.html
- https://gitlab.com/wireshark/wireshark/-/issues/21184
- https://www.wireshark.org/security/wnpa-sec-2026-42.html
- https://gitlab.com/wireshark/wireshark/-/issues/21186
- https://www.wireshark.org/security/wnpa-sec-2026-43.html
- https://gitlab.com/wireshark/wireshark/-/issues/21189
- https://www.wireshark.org/security/wnpa-sec-2026-44.html
- https://gitlab.com/wireshark/wireshark/-/issues/21190
- https://www.wireshark.org/security/wnpa-sec-2026-45.html
- https://gitlab.com/wireshark/wireshark/-/issues/21191
- https://www.wireshark.org/security/wnpa-sec-2026-46.html
- https://gitlab.com/wireshark/wireshark/-/issues/21185
- https://www.wireshark.org/security/wnpa-sec-2026-47.html
- https://gitlab.com/wireshark/wireshark/-/issues/21214
- https://www.wireshark.org/security/wnpa-sec-2026-48.html
- https://gitlab.com/wireshark/wireshark/-/issues/21206
- https://www.wireshark.org/security/wnpa-sec-2026-34.html
- https://gitlab.com/wireshark/wireshark/-/issues/21149
- https://www.wireshark.org/security/wnpa-sec-2026-37.html
- https://gitlab.com/wireshark/wireshark/-/issues/21172
- https://www.wireshark.org/security/wnpa-sec-2026-38.html
- https://gitlab.com/wireshark/wireshark/-/issues/21177
- https://www.wireshark.org/security/wnpa-sec-2026-49.html
- https://gitlab.com/wireshark/wireshark/-/issues/21207
- https://www.wireshark.org/security/wnpa-sec-2026-50.html
- https://gitlab.com/wireshark/wireshark/-/issues/21130
- https://www.wireshark.org/security/wnpa-sec-2026-33.html
- https://gitlab.com/wireshark/wireshark/-/issues/21151
- https://gitlab.com/wireshark/wireshark/-/issues/21147
- https://www.wireshark.org/security/wnpa-sec-2026-35.html
- https://gitlab.com/wireshark/wireshark/-/issues/21173
- https://www.wireshark.org/security/wnpa-sec-2026-36.html
- https://gitlab.com/wireshark/wireshark/-/issues/21008