Home/CVE/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
CVE

CVE-2020-35965

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

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.

HIGH · CVSS 7.5 EPSS 0.01612
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
ffmpeg>= 4.3.1 and < 4.4
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocbugs.chromium.org · detail?id=26532bugs.chromium.org
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Jan 2021 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2023:0005-1
usnUSN-5167-1
usnUSN-5472-1
suse-csafopenSUSE-SU-2021:3521-1
suse-csafSUSE-SU-2021:3521-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8bPatchThird Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202105-24Third Party Advisory
https://www.debian.org/security/2021/dsa-4990Third Party Advisory
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