Summary
USN-6449-1 fixed vulnerabilities in FFmpeg. Unfortunately that update
could introduce a regression in tools using an FFmpeg library, like VLC.
This updated fixes the problem. We apologize for the inconvenience.
Original advisory details:
It was discovered that FFmpeg incorrectly managed memory resulting
in a memory leak. An attacker could possibly use this issue to cause
a denial of service via application crash. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-22038)
It was discovered that FFmpeg incorrectly handled certain input files,
leading to an integer overflow. An attacker could possibly use this issue
to cause a denial of service via application crash. This issue only
affected Ubuntu 20.04 LTS. (CVE-2020-20898, CVE-2021-38090,
CVE-2021-38091, CVE-2021-38092, CVE-2021-38093, CVE-2021-38094)
It was discovered that FFmpeg incorrectly managed memory, resulting in
a memory leak. If a user or automated system were tricked into
processing a specially crafted input file, a remote attacker could
possibly use this issue to cause a denial of service, or execute
arbitrary code. (CVE-2022-48434)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | ffmpeg | 7:3.4.11-0ubuntu0.1+esm4 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | ffmpeg | 7:4.2.7-0ubuntu0.1+esm4 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1+esm3 |
References
-
report
https://launchpad.net/bugs/2042743