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- ------------------------------------------------------------------------- Debian Security Advisory DSA-4849-1
security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso February 09, 2021
https://www.debian.org/security/faq
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Package : firejail
CVE ID : CVE-2021-26910
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 the stable distribution (buster), this problem has been fixed in
version 0.9.58.2-2+deb10u2.
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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:
https://www.debian.org/security/
Mailing list:
debian-security-announce@lists.debian.org
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