CVE catalog

CVE-2025-9817

wireshark: CVE-2025-9817

Severity: High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: Aug 28, 2025, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.21% · Oct 25, 2026

SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	wireshark	sid	`4.6.9-1`	fixed
Debian	wireshark	forky	`4.6.9-1`	fixed
Debian	wireshark	trixie	`4.4.18-0+deb13u1`	fixed
Debian	wireshark	trixie-security	`4.4.19-0+deb13u1`	fixed
Debian	wireshark	bookworm	`4.0.17-0+deb12u3`	fixed
Debian	wireshark	bookworm-security	`4.0.17-0+deb12u3`	fixed
Cpe	wireshark	Not reported	Not reported	unknown
Ubuntu	wireshark	pro	`3.4.7-1~exp1`	vulnerable
Ubuntu	wireshark	pro	`3.4.9-1`	vulnerable
Ubuntu	wireshark	pro	`3.6.2-1ubuntu1`	vulnerable
Ubuntu	wireshark	pro	`3.6.2-2`	vulnerable
Ubuntu	wireshark	pro	`3.6.2-2ubuntu0.1~esm1`	vulnerable
Ubuntu	wireshark	24.04	`4.0.8-1`	vulnerable
Ubuntu	wireshark	24.04	`4.0.10-1`	vulnerable
Ubuntu	wireshark	24.04	`4.0.11-1`	vulnerable
Ubuntu	wireshark	24.04	`4.2.0-1`	vulnerable
Ubuntu	wireshark	24.04	`4.2.2-1`	vulnerable
Ubuntu	wireshark	24.04	`4.2.2-1.1build1`	vulnerable
Ubuntu	wireshark	24.04	`4.2.2-1.1build2`	vulnerable
Ubuntu	wireshark	24.04	`4.2.2-1.1build3`	vulnerable
Ubuntu	wireshark	25.10	`4.4.5-1`	vulnerable
Ubuntu	wireshark	25.10	`4.4.6-2`	vulnerable
Ubuntu	wireshark	25.10	`4.4.6-2build1`	vulnerable
Ubuntu	wireshark	25.10	`4.4.7-1`	vulnerable
Ubuntu	wireshark	26.04	`4.4.7-1`	vulnerable
Ubuntu	wireshark	26.04	`4.6.0-1`	vulnerable
Ubuntu	wireshark	26.04	`4.6.1-2`	vulnerable
Ubuntu	wireshark	26.04	`4.6.2-3`	vulnerable
Ubuntu	wireshark	26.04	`4.6.3-1`	vulnerable
Ubuntu	wireshark	26.04	`4.6.4-1`	vulnerable
Opensuse	wireshark	tumbleweed	`4.4.9-2.1`	fixed
Suse	wireshark	linux enterprise module for basesystem 15 sp6	`4.2.13-150600.18.26.1`	fixed
Suse	wireshark	linux enterprise module for basesystem 15 sp7	`4.2.13-150600.18.26.1`	fixed
Suse	wireshark	linux enterprise module for desktop applications 15 sp6	`4.2.13-150600.18.26.1`	fixed
Suse	wireshark	linux enterprise module for desktop applications 15 sp7	`4.2.13-150600.18.26.1`	fixed
Opensuse	wireshark	leap 15.6	`4.2.13-150600.18.26.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	wireshark	source	sid	`4.4.9-1`	not yet assigned	Not reported	Not reported
Debian	wireshark	source	forky	`4.4.9-1`	not yet assigned	Not reported	Not reported
Debian	wireshark	source	trixie	`4.4.13-0+deb13u1`	not yet assigned	Not reported	Not reported
Debian	wireshark	source	bookworm	`4.0.17-0+deb12u2`	not yet assigned	Not reported	Not reported
Opensuse	wireshark	rpm	tumbleweed	`4.4.9-2.1`	Not reported	OPENSUSE-SU-2025:15522-1	Not reported
Suse	wireshark	rpm	linux enterprise module for basesystem 15 sp6	`4.2.13-150600.18.26.1`	Not reported	SUSE-SU-2025:03294-1	Not reported
Suse	wireshark	rpm	linux enterprise module for basesystem 15 sp7	`4.2.13-150600.18.26.1`	Not reported	SUSE-SU-2025:03294-1	Not reported
Suse	wireshark	rpm	linux enterprise module for desktop applications 15 sp6	`4.2.13-150600.18.26.1`	Not reported	SUSE-SU-2025:03294-1	Not reported
Suse	wireshark	rpm	linux enterprise module for desktop applications 15 sp7	`4.2.13-150600.18.26.1`	Not reported	SUSE-SU-2025:03294-1	Not reported
Opensuse	wireshark	rpm	leap 15.6	`4.2.13-150600.18.26.1`	Not reported	SUSE-SU-2025:03294-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libwireshark-data]Affected
Source package: [wireshark]
Details (6)
- 4.0.17-0+deb12u3 · all · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[wireshark-doc]Affected
Source package: [wireshark]
Details (6)
- 4.0.17-0+deb12u3 · all · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · all · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.6-1~deb12u1 · all · bookworm-security
  Affected · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[wireshark-gtk]Affected
Source package: [wireshark]
Details (2)
- 4.0.6-1~deb12u1 · amd64 · bookworm-security
  Affected · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.6-1~deb12u1 · arm64 · bookworm-security
  Affected · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[libwireshark16]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[libwireshark-dev]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[libwiretap13]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[libwiretap-dev]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[libwsutil14]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[libwsutil-dev]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[tshark]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[wireshark]Fixed
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[wireshark-common]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[wireshark-dev]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
[wireshark-qt]Fixed
Source package: [wireshark]
Details (4)
- 4.0.17-0+deb12u3 · amd64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · amd64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12
- 4.0.17-0+deb12u3 · arm64 · bookworm-security
  Fixed · Fixed: 4.0.17-0+deb12u2
  dsa · wireshark · debian · bookworm; dsa · wireshark · debian · 12

[openSUSE Tumbleweed]

[libwireshark19]Unknown
Source package: [wireshark]
Details (1)
- 4.6.8-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.4.9-2.1
  Version impact unknown
  dsa · wireshark · opensuse · tumbleweed
[libwiretap16]Unknown
Source package: [wireshark]
Details (1)
- 4.6.8-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.4.9-2.1
  Version impact unknown
  dsa · wireshark · opensuse · tumbleweed
[libwsutil17]Unknown
Source package: [wireshark]
Details (1)
- 4.6.8-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.4.9-2.1
  Version impact unknown
  dsa · wireshark · opensuse · tumbleweed
[wireshark-devel]Unknown
Source package: [wireshark]
Details (1)
- 4.6.8-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.4.9-2.1
  Version impact unknown
  dsa · wireshark · opensuse · tumbleweed
[wireshark-ui-qt]Unknown
Source package: [wireshark]
Details (1)
- 4.6.8-2.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.4.9-2.1
  Version impact unknown
  dsa · wireshark · opensuse · tumbleweed

[Debian 13 (Trixie)]

[libwireshark18]Fixed
Source package: [wireshark]
Details (6)
- 4.4.16-0+deb13u1 · amd64 · trixie
  Fixed · Fixed: 4.4.13-0+deb13u1
  dsa · wireshark · debian · 13
- 4.4.16-0+deb13u1 · arm64 · trixie
  Fixed · Fixed: 4.4.13-0+deb13u1
  dsa · wireshark · debian · 13
- 4.4.15-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.13-0+deb13u1
  dsa · wireshark · debian · 13
- 4.4.18-0+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 4.4.13-0+deb13u1
  dsa · wireshark · debian · 13
- 4.4.18-0+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 4.4.13-0+deb13u1
  dsa · wireshark · debian · 13
- 4.4.19-0+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 4.4.13-0+deb13u1
  dsa · wireshark · debian · 13

Next results

Observed: Oct 27, 2026, 12:06:10 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]