CVE-2018-15822

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-23 · updated 2026-06-17
Weakness: CWE-617

Description

The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure.

Affected products

Canonical Ubuntu Linux: 16.04, 18.04, 18.10, 19.04, 20.04
Debian Linux: 8.0, 9.0
FFmpeg: through 2.8

References

https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10
https://github.com/FFmpeg/FFmpeg/commit/d8ecb335fe4852bbc172c7b79e66944d158b4d92
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html
https://seclists.org/bugtraq/2019/May/60
https://usn.ubuntu.com/3967-1/
https://usn.ubuntu.com/4431-1/
https://www.debian.org/security/2019/dsa-4449
https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10
https://github.com/FFmpeg/FFmpeg/commit/d8ecb335fe4852bbc172c7b79e66944d158b4d92
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html
https://seclists.org/bugtraq/2019/May/60
https://usn.ubuntu.com/3967-1/

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