Description
pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – < 4.6.7 | 4.6.7 |
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 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | wireshark | No fix yet | — |
| 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 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | wireshark | 4.6.7-150700.21.11.1 | SUSE-SU-2026:3501-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.6.7-3.1 | openSUSE-SU-2026:11460-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 4.6.9-r0 | — |
Advisories 3
- WID-SEC-2026-2245 Wireshark: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 13, 2026
- SUSE-SU-2026:3501-1 Security update for wireshark SUSE / openSUSE Security Updates · Aug 6, 2026
- openSUSE-SU-2026:11460-1 libwireshark19-4.6.7-3.1 on GA media SUSE / openSUSE Security Updates · Aug 6, 2026