VULNERABILITY INTELLIGENCE

CVE-2021-38171

CVSS score9.8 CRITICAL
EPSS probability2.41%
CISA KEVNot currently listed
Published2021-08-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-252

Primary references