SB2026052025 - Denial of service in Wireshark ROHC protocol dissector

Description

This security bulletin contains information about 1 vulnerability.

1) 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: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 ROHC 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-2026-51.html
• https://gitlab.com/wireshark/wireshark/-/issues/21243