Debian Security Advisory
DLA-2534-1 sudo -- LTS security update
- Date Reported:
- 26 Jan 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-3156.
- More information:
The Qualys Research Labs discovered a heap-based buffer overflow vulnerability in sudo, a program designed to provide limited super user privileges to specific users. Any local user (sudoers and non-sudoers) can exploit this flaw for root privilege escalation.
For Debian 9 stretch, this problem has been fixed in version 1.8.19p1-2.1+deb9u3.
We recommend that you upgrade your sudo packages.
For the detailed security status of sudo please refer to its security tracker page at: https://security-tracker.debian.org/tracker/sudo
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS