CVE-2020-13904
5.5
MEDIUM
CVSS 3.1
EPSS 0.25%
Description
FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c.
How to fix CVE-2020-13904
To remediate CVE-2020-13904, upgrade the affected package to a fixed version below.
- Debian/ffmpeg—upgrade to 7:4.3.1-1 or later
Is CVE-2020-13904 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7:4.3.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |