Debian Security Advisory

DLA-2951-1 flac -- LTS security update

Date Reported:
17 Mar 2022
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 1006339.
In Mitre's CVE dictionary: CVE-2021-0561.
More information:

In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed.

For Debian 9 stretch, this problem has been fixed in version 1.3.2-2+deb9u2.

We recommend that you upgrade your flac packages.

For the detailed security status of flac 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: