SB20260114186 - Multiple DoS vulnerabilities in Wireshark

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Main Vulnerability Database SB20260114186

SB20260114186 - Multiple DoS vulnerabilities in Wireshark

Published: January 14, 2026 Updated: February 12, 2026

Security Bulletin ID SB20260114186
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Infinite loop (CVE-ID: CVE-2026-0960)

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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 HTTP3 dissector. A remote attacker can consume all available system resources and cause denial of service conditions.


2) Input validation error (CVE-ID: CVE-2026-0962)

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: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 insufficient validation of user-supplied input in SOME/IP-SD dissector. A remote attacker can send specially crafted input via the network monitored with Wireshark and perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2026-0959)

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: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 insufficient validation of user-supplied input in IEEE 802.11 dissector. A remote attacker can send specially crafted input via the network monitored with Wireshark and perform a denial of service (DoS) attack.


4) Input validation error (CVE-ID: CVE-2026-0961)

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: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 insufficient validation of user-supplied input in BLF file parser. A remote attacker can send specially crafted input via the network monitored with Wireshark and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References