by Kastro
Paper/Archive/CVE-2021-38171

CVE-2021-38171

mitre — 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 bec…

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 84.1.841 × 2016.8No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refpatchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COMrefgithub.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6advisorydebian.org/security/2021/dsa-4990advisorydebian.org/security/2021/dsa-4998reflists.debian.org/debian-lts-announce/2021/11/msg00012.htmladvisorysecurity.gentoo.org/glsa/202312-14