CVE-2026-76235
Fixed in a distro release EPSS <1%CVSS 7.5
A memory leak flaw was found in cockpit-ws. The login page handler leaks a heap allocation on every unauthenticated request that carries a CockpitLang cookie, allowing a remote unauthenticated attacker to exhaust memory on the host and cause a denial of service.
Products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Dev Spaces
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | cockpit | no fix |
| Debian 13 | cockpit | 337-1+deb13u2 |
| Debian 14 | cockpit | 366-1 |
| Ubuntu 18.04 LTS | cockpit | no fix |
| Ubuntu 20.04 LTS | cockpit | no fix |
| Ubuntu 22.04 LTS | cockpit | no fix |
| Ubuntu 24.04 LTS | cockpit | no fix |
| Ubuntu 26.04 LTS | cockpit | no fix |
| Ubuntu 26.10 | cockpit | no fix |