CVE-2026-0959

EUVD-2026-2431
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
GitLabCNA
5.3 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Affected Products (NVD)
VendorProductVersion
wiresharkwireshark
4.4.0 ≤
𝑥
< 4.4.13
wiresharkwireshark
4.6.0 ≤
𝑥
< 4.6.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bookworm
4.0.17-0+deb12u1
not-affected
bookworm (security)
4.0.11-1~deb12u1
fixed
bullseye
3.4.10-0+deb11u1
not-affected
bullseye (security)
3.4.16-0+deb11u2
fixed
forky
4.6.3-1
fixed
sid
4.6.4-1
fixed
trixie
vulnerable
trixie (security)
4.4.13-0+deb13u1
fixed
Common Weakness Enumeration
References
https://gitlab.com/wireshark/wireshark/-/issues/20939
https://www.wireshark.org/security/wnpa-sec-2026-02.html