Audio Codec Crash Vulnerability in Wireshark by The Wireshark Foundation
CVE-2026-6529

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-6529?

A vulnerability exists within the iLBC audio codec in certain versions of Wireshark, which may lead to a denial of service condition. When processing crafted audio data, this vulnerability can cause the application to crash, disrupting the user's ability to analyze network packets effectively. This flaw is pertinent to versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 of Wireshark. Users are encouraged to upgrade to the latest versions to mitigate any possible impacts associated with this vulnerability.

Affected Version(s)

Wireshark 4.6.0 < 4.6.5

Wireshark 4.4.0 < 4.4.15

References

https://www.wireshark.org/security/wnpa-sec-2026-32.html
https://gitlab.com/wireshark/wireshark/-/work_items/21145

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexandre de Oliveira
.