CVE-2026-5402
Fixed in a distro release EPSS <1%CVSS 8.8
TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution
Products: Wireshark Foundation Wireshark, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| 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 |
| 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 |