UBUNTU-CVE-2020-21041
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UBUNTU-CVE-2020-21041
Published: 24 May 2021Last Modified: 22 Apr 2026
Upstream:
Aliases:
Summary:
Details: 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
References: https://ubuntu.com/security/CVE-2020-21041, https://trac.ffmpeg.org/ticket/7989, https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5d9f44da460f781a1604d537d0555b78e29438ba, https://ubuntu.com/security/notices/USN-5472-1, https://www.cve.org/CVERecord?id=CVE-2020-21041, https://ubuntu.com/security/notices/USN-5167-1
Affected packages
Package
Name: ffmpeg
Purl: pkg:deb/ubuntu/ffmpeg@7:2.8.17-0ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -7:2.8.17-0ubuntu0.1+esm1
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
