Description
IEEE 802.11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – < 4.6.9, 4.4.0 – < 4.4.19 | 4.6.9 |
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 | 4.6.9-1 | — |
| Debian 13 | wireshark | 4.4.19-0+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 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.6.9-1.1 | openSUSE-SU-2026:11912-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.6.9-1.amzn2023.0.2 | ALAS2023-2026-3252 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | No fix yet | — |
Advisories 3
- WID-SEC-2026-3547 Wireshark: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- ALAS2023-2026-3252 Important: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 26, 2026
- openSUSE-SU-2026:11912-1 libwireshark19-4.6.9-1.1 on GA media SUSE / openSUSE Security Updates · Sep 29, 2026