CVE-2020-13904
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-13904
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-13904.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202007-4
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2:4.3.1-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 7:4.3.1-1 |
| debian | bullseye | fixed | 7:4.3.1-1 |
| debian | forky | fixed | 7:4.3.1-1 |
| debian | sid | fixed | 7:4.3.1-1 |
| debian | trixie | fixed | 7:4.3.1-1 |
References
Verify integrity in audit chain (admin only). AS-IS.