Debian Security Advisory
DLA-2554-1 firejail -- LTS security update
- Date Reported:
- 11 Feb 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-26910.
- More information:
Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, a sandbox program to restrict the running environment of untrusted applications, which could result in root privilege escalation. This update disables OverlayFS support in firejail.
For Debian 9 stretch, this problem has been fixed in version 0.9.44.8-2+deb9u2.
We recommend that you upgrade your firejail packages.
For the detailed security status of firejail please refer to its security tracker page at: https://security-tracker.debian.org/tracker/firejail
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