This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2021-3156 →
DEBIAN-CVE-2021-3156
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoe...
Original description
The description as published by the source.
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
sudo
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.5p1-1.1"}]}]
Debian:13
sudo
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.5p1-1.1"}]}]
Debian:14
sudo
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.5p1-1.1"}]}]
References
- advisory security-tracker.debian.org