CVE-2020-35965

HIGH

FFmpeg 4.3.1 - Out-of-bounds Write in libavcodec/exr.c decode_frame

Title source: llm
STIX 2.1

Description

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.

References (6)

Core 6
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202105-24
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4990

Scores

CVSS v3 7.5
EPSS 0.0226
EPSS Percentile 80.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (3)
debian/debian_linux 9.0
debian/debian_linux 10.0
ffmpeg/ffmpeg 4.3.1 - 4.4
Published Jan 04, 2021
Tracked Since Feb 18, 2026