CVE-2026-0960

EUVD-2026-2438
HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.7 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
GitLabCNA
4.7 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
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
no-dsa
bookworm (security)
vulnerable
bullseye
vulnerable
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/20944
https://www.wireshark.org/security/wnpa-sec-2026-04.html