Debian Security Advisory

DLA-2742-2 ffmpeg -- LTS security update

Date Reported:
22 Aug 2021
Affected Packages:
Security database references:
No other external database security references currently available.
More information:

During the backporting of one of patches in CVE-2020-22021 one line was wrongly interpreted and it caused the regression during the deinterlacing process. Thanks to Jari Ruusu for the reporting the issue and for the testing of prepared update.

For Debian 9 stretch, this problem has been fixed in version 7:3.2.15-0+deb9u4.

We recommend that you upgrade your ffmpeg packages.

For the detailed security status of ffmpeg 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: