Debian Security Advisory

DLA-2894-1 aide -- LTS security update

Date Reported:
25 Jan 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-45417.
More information:

David Bouman discovered a heap-based buffer overflow vulnerability in the base64 functions of aide, an advanced intrusion detection system, which can be triggered via large extended file attributes or ACLs. This may result in denial of service or privilege escalation.

For Debian 9 stretch, this problem has been fixed in version 0.16-1+deb9u1.

We recommend that you upgrade your aide packages.

For the detailed security status of aide please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: