CVE-2020-22049 Information

Description

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.

CVSS Vector

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

Reference

https://trac.ffmpeg.org/ticket/8314 http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=373c1c9b691fd4c6831b3a114a006b639304c2af https://www.debian.org/security/2021/dsa-4990 https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5