CVE-2026-6529
wireshark: Wireshark: Denial of Service via iLBC audio codec processing
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 30, 2026
Updated · July 3, 2026
Description
A flaw was found in Wireshark. A remote attacker could exploit this vulnerability by providing a specially crafted iLBC audio codec. This could lead to a crash of the Wireshark application, resulting in a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Users should avoid opening untrusted capture files or processing network traffic from untrusted sources with Wireshark. If Wireshark is not actively used on a system, consider removing the wireshark package to eliminate the attack surface.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-237 · Improper Handling of Structural Elements