CVE-2020-21041 Information

Description

Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c which could let a remote malicious user cause a Denial of Service

CVSS Vector

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

Reference

https://trac.ffmpeg.org/ticket/7989 https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html https://www.debian.org/security/2021/dsa-4990

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5