A sudo security update has been released for Debian GNU/Linux 8 Extended LTS to address a heap-based buffer overflow vulnerability in sudo.
ELA-351-1 sudo security update
Package sudo
Version 1.8.10p3-1+deb8u8
Related CVEs CVE-2021-3156
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 8 jessie, these problems have been fixed in version 1.8.10p3-1+deb8u8.
We recommend that you upgrade your sudo packages.
Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/
