CVE-2021-38171

2021-08-2117:15:07

Google

osv.dev

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.008 Low

EPSS

Percentile

81.8%

JSON

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.

CPENameOperatorVersion
ffmpeg.giteqn4.3-de
ffmpeg.giteqn4.4-de
ffmpeg.giteqn2.5-de
ffmpeg.giteqN
ffmpeg.giteqn2.4-de
ffmpeg.giteqn2.7-de
ffmpeg.giteqn3.4-de
ffmpeg.giteqn3.3-de
ffmpeg.giteqn3.5-de
ffmpeg.giteqn4.5-de

Name	Operator	Version
ffmpeg.git	eq	n4.3-de
ffmpeg.git	eq	n4.4-de
ffmpeg.git	eq	n2.5-de
ffmpeg.git	eq	N
ffmpeg.git	eq	n2.4-de
ffmpeg.git	eq	n2.7-de
ffmpeg.git	eq	n3.4-de
ffmpeg.git	eq	n3.3-de
ffmpeg.git	eq	n3.5-de
ffmpeg.git	eq	n4.5-de