UBUNTU-CVE-2020-21697
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UBUNTU-CVE-2020-21697
Published: 10 Aug 2021Last Modified: 29 May 2026
Upstream:
Aliases:
Summary:
Details: A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.
References: https://ubuntu.com/security/CVE-2020-21697, https://trac.ffmpeg.org/ticket/8188, https://ubuntu.com/security/notices/USN-5472-1, https://ubuntu.com/security/notices/USN-5167-1, https://www.cve.org/CVERecord?id=CVE-2020-21697
Affected packages
Package
Name: ffmpeg
Purl: pkg:deb/ubuntu/ffmpeg?arch=source&distro=esm-apps%2Fxenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -7:2.8.17-0ubuntu0.1+esm2
Affected versions
7:2.7.2-1build1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
