This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-91142 →
DEBIAN-CVE-2026-91142
A flaw was found in Cockpit. An authenticated local user with a large user identifier (UID) can cause unauthorized modification and disclosure of logi...
Original description
The description as published by the source.
A flaw was found in Cockpit. An authenticated local user with a large user identifier (UID) can cause unauthorized modification and disclosure of login records. On 32-bit systems, an integer overflow during session accounting allows the user's login process to read or overwrite the legacy log entries of other accounts.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
cockpit
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
cockpit
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
cockpit
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"368-1"}]}]
References
- advisory security-tracker.debian.org