CVE-2021-38171
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-38171
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-38171.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2:4.4.1-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 7:4.4.1-1 |
| debian | bullseye | fixed | 7:4.3.3-0+deb11u1 |
| debian | forky | fixed | 7:4.4.1-1 |
| debian | sid | fixed | 7:4.4.1-1 |
| debian | trixie | fixed | 7:4.4.1-1 |
References
Verify integrity in audit chain (admin only). AS-IS.