Description
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.4.0 – < 4.4.9 | 4.4.9 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 4.4.9-1 | — |
| Debian 13 | wireshark | 4.4.13-0+deb13u1 | DSA-6124-1 |
| Debian 12 | wireshark | 4.0.17-0+deb12u2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | wireshark | No fix yet | — |
| Ubuntu 25.10 | wireshark | No fix yet | — |
| Ubuntu 24.04 LTS | wireshark | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 20.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 18.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | wireshark +2 | 1:4.4.2-4.el10_1.2 | RHSA-2026:1714 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | wireshark +2 | 1:4.4.2-3.el10_0.2 | RHSA-2026:2763 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | wireshark +2 | 1:4.4.2-4.el10_1.2 | ALSA-2026:1714 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | wireshark | 1:4.4.2-4.el10_1.2 | RLSA-2026:1714 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libvirt | 11.0.0-150700.4.19.1 | SUSE-SU-2026:1169-1 |
| SLES 15 SP7 | wireshark | 4.2.13-150600.18.26.1 | SUSE-SU-2026:1169-1, SUSE-SU-2025:03294-1 |
| SLES 15 SP6 | wireshark | 4.2.13-150600.18.26.1 | SUSE-SU-2025:03294-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | wireshark | 4.4.13-160000.1.1 | SUSE-SU-2026:20222-1 |
| SLES 16.0 | wireshark | 4.4.13-160000.1.1 | SUSE-SU-2026:20222-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.4.9-2.1 | openSUSE-SU-2025:15522-1 |
| openSUSE Leap 16.0 | wireshark | 4.4.13-160000.1.1 | openSUSE-SU-2026:20151-1 |
| openSUSE Leap 15.6 | wireshark | 4.2.13-150600.18.26.1 | SUSE-SU-2025:03294-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.4.2-1.amzn2023.0.2 | ALAS2023-2025-1175 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | wireshark +2 | 1:4.4.2-4.0.1.el10_1.2 | ELSA-2026-1714 |
Advisories 14
- ALSA-2026:1714 Moderate: wireshark security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-0489 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 21, 2026
- WID-SEC-2025-1932 Wireshark: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jul 16, 2026
- RHSA-2026:2763 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jul 12, 2026
- RHSA-2026:1714 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jul 12, 2026
- SUSE-SU-2026:1169-1 Security update for wireshark SUSE / openSUSE Security Updates · Apr 3, 2026
- openSUSE-SU-2026:20151-1 Security update for wireshark SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15522-1 libwireshark18-4.4.9-2.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20222-1 Security update for wireshark SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:03294-1 Security update for wireshark SUSE / openSUSE Security Updates · Mar 23, 2026
- DSA-6124-1 wireshark - security update Debian Security (DSA / DLA) · Feb 8, 2026
- RLSA-2026:1714 Moderate: wireshark security update Rocky Linux Security Advisories · Feb 5, 2026
- ELSA-2026-1714 Moderate: wireshark security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Feb 2, 2026
- ALAS2023-2025-1175 Important: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Sep 15, 2025
References
- https://www.wireshark.org/security/wnpa-sec-2025-03.html
- GitLab Issue #20642 issue-tracking permissions-required