| Name | CVE-2026-76235 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6474-1 |
| Debian Bugs | 1144975 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| cockpit (PTS) | bullseye | 239-1 | vulnerable |
| bookworm | 287.1-0+deb12u3 | vulnerable | |
| bookworm (security) | 287.1-0+deb12u2 | vulnerable | |
| trixie | 337-1+deb13u1 | vulnerable | |
| trixie (security) | 337-1+deb13u2 | fixed | |
| forky | 365-1 | vulnerable | |
| sid | 366-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| cockpit | source | trixie | 337-1+deb13u2 | DSA-6474-1 | ||
| cockpit | source | (unstable) | 366-1 | 1144975 |
https://bugzilla.redhat.com/show_bug.cgi?id=2519497
https://github.com/cockpit-project/cockpit/pull/23633
Fixed by: https://github.com/cockpit-project/cockpit/commit/233b1c178dcb95ccef356832afd9d60023d601e9