CVE-2025-9817

EUVD-2025-26492
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitLabCNA
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Affected Products (NVD)
VendorProductVersion
wiresharkwireshark
4.4.0 ≤
𝑥
≤ 4.4.8
wiresharkwireshark
4.4.9:rc0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bookworm
no-dsa
bookworm (security)
vulnerable
bullseye
3.4.10-0+deb11u1
not-affected
bullseye (security)
3.4.16-0+deb11u2
fixed
forky
4.6.4-1
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/20642
https://www.wireshark.org/security/wnpa-sec-2025-03.html