CVE-2026-76929 — MEDIUM (4.7)

Vulnerability Description

Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-125

References

https://gitlab.com/wireshark/wireshark/-/work_items/21460
https://www.wireshark.org/security/wnpa-sec-2026-84.html

FAQ

What is CVE-2026-76929?

CVE-2026-76929 is a vulnerability with a CVSS score of 4.7 (MEDIUM). Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

How severe is CVE-2026-76929?

CVE-2026-76929 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76929?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.