CVE-2026-76889 — MEDIUM (4.7)

Vulnerability Description

UMTS FP 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

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-122

References

https://gitlab.com/wireshark/wireshark/-/work_items/21413
https://www.wireshark.org/security/wnpa-sec-2026-66.html

FAQ

What is CVE-2026-76889?

CVE-2026-76889 is a vulnerability with a CVSS score of 4.7 (MEDIUM). UMTS FP 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-2026-76889?

CVE-2026-76889 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-2026-76889?

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