CVE-2026-7375

EUVD-2026-26310
UDS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
Affected Products (NVD)
VendorProductVersion
wiresharkwireshark
4.4.0 ≤
𝑥
< 4.4.15
wiresharkwireshark
4.6.0 ≤
𝑥
< 4.6.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
4.6.6-1
fixed
sid
4.6.6-1
fixed
trixie
4.4.16-0+deb13u1
fixed
trixie (security)
4.4.15-0+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wireshark
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
ignored
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
wireshark-cli
Amazon Linux 2023
1:4.6.6-1.amzn2023.0.1
fixed
wireshark-cli-debuginfo
Amazon Linux 2023
1:4.6.6-1.amzn2023.0.1
fixed
wireshark-debugsource
Amazon Linux 2023
1:4.6.6-1.amzn2023.0.1
fixed
wireshark-devel
Amazon Linux 2023
1:4.6.6-1.amzn2023.0.1
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://gitlab.com/wireshark/wireshark/-/work_items/21225
https://www.wireshark.org/security/wnpa-sec-2026-50.html