Description
Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – < 4.6.8, 4.4.0 – < 4.4.18 | 4.6.8 |
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 | 4.6.9-1 | — |
| Debian 13 | wireshark | 4.4.18-0+deb13u1 | — |
| Debian 12 | wireshark | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | wireshark | No fix yet | — |
| Ubuntu 26.04 LTS | 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 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | wireshark | 4.6.8-150700.21.14.1 | SUSE-SU-2026:4379-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | wireshark | 4.4.18-160000.1.1 | SUSE-SU-2026:24013-1 |
| SLES 16.0 | wireshark | 4.4.18-160000.1.1 | SUSE-SU-2026:24013-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.6.8-2.1 | openSUSE-SU-2026:11579-1 |
| openSUSE Leap 16.0 | wireshark | 4.4.18-160000.1.1 | openSUSE-SU-2026:22014-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.6.8-1.amzn2023.0.1 | ALAS2023-2026-2117 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | No fix yet | — |
Advisories 6
- WID-SEC-2026-2806 Wireshark: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Nov 12, 2026
- SUSE-SU-2026:24013-1 Security update for wireshark SUSE / openSUSE Security Updates · Oct 9, 2026
- openSUSE-SU-2026:22014-1 Security update for wireshark SUSE / openSUSE Security Updates · Oct 3, 2026
- SUSE-SU-2026:4379-1 Security update for wireshark SUSE / openSUSE Security Updates · Sep 29, 2026
- ALAS2023-2026-2117 Important: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 31, 2026
- openSUSE-SU-2026:11579-1 libwireshark19-4.6.8-2.1 on GA media SUSE / openSUSE Security Updates · Aug 23, 2026