CVE-2026-96421

EUVD-2026-88709
USB HID protocol dissector infinite loop and memory leak in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitLabCNA
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: 2.43%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
wiresharkwireshark
4.6.0 ≤
𝑥
< 4.6.9
CNA
wiresharkwireshark
4.4.0 ≤
𝑥
< 4.4.19
CNA
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
trixie (security)
vulnerable
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://gitlab.com/wireshark/wireshark/-/work_items/21566
https://www.wireshark.org/security/wnpa-sec-2026-103.html
https://gitlab.com/wireshark/wireshark/-/work_items/21566