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Debian LTS Advisory DLA-2951-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
March 17, 2022                              https://wiki.debian.org/LTS
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Package        : flac
Version        : 1.3.2-2+deb9u2
CVE ID         : CVE-2021-0561
Debian Bug     : 1006339

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

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: https://wiki.debian.org/LTS