CVE-2026-0959 — MEDIUM (5.3)

Q: What is CVE-2026-0959?

CVE-2026-0959 is a vulnerability with a CVSS score of 5.3 (MEDIUM). IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service

Q: How severe is CVE-2026-0959?

CVE-2026-0959 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-0959?

Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.

Vulnerability Description

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Wireshark	Wireshark	>= 4.4.0, < 4.4.13

Related Weaknesses (CWE)

CWE-787

References

https://gitlab.com/wireshark/wireshark/-/issues/20939Issue TrackingVendor Advisory
https://www.wireshark.org/security/wnpa-sec-2026-02.htmlVendor Advisory

FAQ

What is CVE-2026-0959?

CVE-2026-0959 is a vulnerability with a CVSS score of 5.3 (MEDIUM). IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service

How severe is CVE-2026-0959?

CVE-2026-0959 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-2026-0959?

Check the references section above for vendor advisories and patch information. Affected products include: Wireshark Wireshark.