High severity7.5NVD Advisory· Published May 24, 2021· Updated Jun 17, 2026
CVE-2020-21041
CVE-2020-21041
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
25- FFmpeg/FFmpegdescription
- osv-coords20 versionspkg:rpm/opensuse/ffmpeg&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/ffmpeg&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP2pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2pkg:rpm/suse/ffmpeg&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/ffmpeg&distro=SUSE%20Manager%20Proxy%204.0pkg:rpm/suse/ffmpeg&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.0pkg:rpm/suse/ffmpeg&distro=SUSE%20Manager%20Server%204.0
< 3.4.2-11.3.1+ 19 more
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-11.3.1
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
- (no CPE)range: < 3.4.2-4.34.2
Patches
Vulnerability mechanics
References
3- trac.ffmpeg.org/ticket/7989nvdExploitPatchVendor Advisory
- lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlnvdMailing ListThird Party Advisory
- www.debian.org/security/2021/dsa-4990nvdThird Party Advisory
News mentions
0No linked articles in our index yet.