CVE-2026-76919 — MEDIUM (5.3)

Vulnerability Description

ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-457

References

https://gitlab.com/wireshark/wireshark/-/work_items/21467
https://www.wireshark.org/security/wnpa-sec-2026-86.html

FAQ

What is CVE-2026-76919?

CVE-2026-76919 is a vulnerability with a CVSS score of 5.3 (MEDIUM). ESS protocol dissector 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-2026-76919?

CVE-2026-76919 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76919?

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