CVE-2026-6521
Fixed in a distro release EPSS <1%CVSS 5.5
OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Products: Wireshark Foundation Wireshark
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | wireshark | no fix |
| Debian 13 | wireshark | 4.4.15-0+deb13u1 |
| Debian 14 | wireshark | 4.6.5-1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | wireshark | 4.6.7-150700.21.11.1 |
| SUSE Linux Enterprise Module for Desktop Applications 15 SP7 | wireshark | 4.6.7-150700.21.11.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | wireshark | 2.4.16-48.69.1 |
| Ubuntu 24.04 LTS | wireshark | no fix |
| Ubuntu 25.10 | wireshark | no fix |
| Ubuntu 26.04 LTS | wireshark | no fix |
| Ubuntu 26.10 | wireshark | no fix |
| Ubuntu Pro 14.04 LTS | wireshark | no fix |
| Ubuntu Pro 16.04 LTS | wireshark | no fix |
| Ubuntu Pro 18.04 LTS | wireshark | no fix |
| Ubuntu Pro 20.04 LTS | wireshark | no fix |
| Ubuntu Pro 22.04 LTS | wireshark | no fix |
| openSUSE Tumbleweed | wireshark | 4.6.5-1.1 |