SB2026081366 - Multiple vulnerabilities in Wireshark
Published: August 13, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 28 vulnerabilities.
1) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the H.245 protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or convince someone to open a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet capture file.
2) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the sharkd utility when parsing packet data. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet capture file.
3) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in sharkd utility when parsing malformed packets or malformed packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required to open a crafted packet capture file.
4) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the UMTS FP protocol dissector when parsing malformed packet data. A remote attacker can inject a malformed packet onto the wire or trick a victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation occurs via a crafted packet capture file.
5) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the RDP protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet capture file.
6) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in TTX Logger file parser when parsing a malformed packet capture file. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.
User interaction is required to open a crafted packet capture file.
7) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the dissection engine reassembly logic when reassembling packets or parsing packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
8) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the BUSMASTER file parser when parsing a malformed packet capture file. A local user can trick the victim into opening a crafted file to cause a denial of service.
User interaction is required to open a crafted packet capture file.
9) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in Tektronix K12xx file parser when parsing a malformed packet capture file. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.
User interaction is required to open a crafted packet capture file.
10) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in ERF file parser when parsing a malformed packet capture file. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.
User interaction is required to open a crafted packet capture file.
11) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the bluetooth attribute protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or convince a victim to read a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
12) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the Catapult DCT2000 file parser when parsing a malformed packet capture file. A remote attacker can trick the victim into opening a crafted packet capture file to cause a denial of service.
User interaction is required to open the crafted file.
13) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the C12.22 protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation occurs via a crafted packet capture file.
14) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in CMS protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
15) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the Bluetooth AVRCP Profile protocol dissector when parsing malformed packets or crafted packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet capture file.
16) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the Kerberos protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a malformed packet capture file.
17) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in Bluetooth HFP Profile protocol dissector when parsing malformed packets or packet capture data. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a crafted packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
18) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the Bluetooth BR/EDR FHS protocol dissector when parsing input. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
19) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the 3gpp phone log file parser when parsing malformed packet data or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
20) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the Ixia IxVeriWave and Vector Informatik BLF file parsers when parsing a malformed packet capture file on Windows. A remote attacker can trick the victim into opening a specially crafted packet capture file to cause a denial of service.
User interaction is required to open a crafted packet capture file, and the issue affects Windows systems.
21) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the CMS protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
22) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the pcapng file parser when parsing input. A local user can trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required to open a crafted packet capture file.
23) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the SSH protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet capture file.
24) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the ESS protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation relies on opening a crafted packet capture file.
25) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the X.509IF protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
26) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the RRC protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or convince a victim to open a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation is performed via a crafted packet capture file.
27) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the C12.22 protocol dissector when parsing malformed packets or packet capture files. A remote attacker can inject a malformed packet onto the wire or trick the victim into opening a malformed packet capture file to cause a denial of service.
User interaction is required when exploitation uses a crafted packet capture file.
28) Input validation error (CVE-ID: N/A)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.7 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the Gammu DCT3 trace file parser when parsing a malformed packet capture file. A local user can trick the victim into opening a crafted file to cause a denial of service.
User interaction is required to open the crafted packet capture file.
Remediation
Install update from vendor's website.
References
- https://www.wireshark.org/security/wnpa-sec-2026-77.html
- https://gitlab.com/wireshark/wireshark/-/issues/21447
- https://www.wireshark.org/security/wnpa-sec-2026-64.html
- https://gitlab.com/wireshark/wireshark/-/issues/21395
- https://www.wireshark.org/security/wnpa-sec-2026-65.html
- https://gitlab.com/wireshark/wireshark/-/issues/21399
- https://www.wireshark.org/security/wnpa-sec-2026-66.html
- https://gitlab.com/wireshark/wireshark/-/issues/21413
- https://www.wireshark.org/security/wnpa-sec-2026-67.html
- https://gitlab.com/wireshark/wireshark/-/issues/21396
- https://www.wireshark.org/security/wnpa-sec-2026-68.html
- https://gitlab.com/wireshark/wireshark/-/issues/21389
- https://www.wireshark.org/security/wnpa-sec-2026-69.html
- https://gitlab.com/wireshark/wireshark/-/issues/xxxx
- https://www.wireshark.org/security/wnpa-sec-2026-70.html
- https://gitlab.com/wireshark/wireshark/-/issues/21435
- https://www.wireshark.org/security/wnpa-sec-2026-71.html
- https://gitlab.com/wireshark/wireshark/-/issues/21414
- https://www.wireshark.org/security/wnpa-sec-2026-72.html
- https://gitlab.com/wireshark/wireshark/-/issues/21415
- https://www.wireshark.org/security/wnpa-sec-2026-73.html
- https://gitlab.com/wireshark/wireshark/-/issues/21424
- https://www.wireshark.org/security/wnpa-sec-2026-74.html
- https://gitlab.com/wireshark/wireshark/-/issues/21427
- https://www.wireshark.org/security/wnpa-sec-2026-75.html
- https://gitlab.com/wireshark/wireshark/-/issues/21439
- https://www.wireshark.org/security/wnpa-sec-2026-76.html
- https://gitlab.com/wireshark/wireshark/-/issues/21446
- https://www.wireshark.org/security/wnpa-sec-2026-91.html
- https://gitlab.com/wireshark/wireshark/-/issues/21488
- https://www.wireshark.org/security/wnpa-sec-2026-78.html
- https://gitlab.com/wireshark/wireshark/-/issues/21449
- https://www.wireshark.org/security/wnpa-sec-2026-79.html
- https://gitlab.com/wireshark/wireshark/-/issues/21451
- https://www.wireshark.org/security/wnpa-sec-2026-80.html
- https://gitlab.com/wireshark/wireshark/-/issues/21452
- https://www.wireshark.org/security/wnpa-sec-2026-81.html
- https://gitlab.com/wireshark/wireshark/-/issues/21454
- https://www.wireshark.org/security/wnpa-sec-2026-82.html
- https://gitlab.com/wireshark/wireshark/-/issues/21455
- https://www.wireshark.org/security/wnpa-sec-2026-83.html
- https://gitlab.com/wireshark/wireshark/-/issues/21457
- https://www.wireshark.org/security/wnpa-sec-2026-84.html
- https://gitlab.com/wireshark/wireshark/-/issues/21460
- https://www.wireshark.org/security/wnpa-sec-2026-85.html
- https://gitlab.com/wireshark/wireshark/-/issues/21465
- https://www.wireshark.org/security/wnpa-sec-2026-86.html
- https://gitlab.com/wireshark/wireshark/-/issues/21467
- https://www.wireshark.org/security/wnpa-sec-2026-87.html
- https://gitlab.com/wireshark/wireshark/-/issues/21469
- https://www.wireshark.org/security/wnpa-sec-2026-88.html
- https://gitlab.com/wireshark/wireshark/-/issues/21478
- https://www.wireshark.org/security/wnpa-sec-2026-89.html
- https://gitlab.com/wireshark/wireshark/-/issues/21480
- https://www.wireshark.org/security/wnpa-sec-2026-90.html
- https://gitlab.com/wireshark/wireshark/-/issues/21475