CVE-2020-21688

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Summary

CVECVE-2020-21688
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-10 21:15:00 UTC
Updated2021-11-30 18:54:00 UTC
DescriptionA heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 11.0 All All All
Application Ffmpeg Ffmpeg 4.2 - All All

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-4998-1 ffmpeg DEBIAN www.debian.org
#8186 (double-free/heap-use-after-free when remuxing rtp hint tracks) – FFmpeg MISC trac.ffmpeg.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178860 Debian Security Update for ffmpeg (DSA 4998-1)
  • 198828 Ubuntu Security Notification for FFmpeg Vulnerabilities (USN-5472-1)
  • 751079 SUSE Enterprise Linux Security Update for ffmpeg (SUSE-SU-2021:2929-1)
  • 751102 OpenSUSE Security Update for ffmpeg (openSUSE-SU-2021:2919-1)
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