CVE-2020-35965
HIGH severity · CVSS 7.5 · Out-of-bounds write
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b ↗
Additional information
- NVD record
- https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8bPatch
- https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3Patch
- https://lists.debian.org/debian-lts-announce/2021/01/msg00026.htmlAdvisory
- https://security.gentoo.org/glsa/202105-24Advisory
- https://www.debian.org/security/2021/dsa-4990Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532Advisory