VulnerabilityModified
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 perform memset zero operations.
HIGH 7.5EPSS 2.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.26% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ffmpeg/ffmpeg · debian/debian linux
- Source
- cve@mitre.org
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532Exploit, Issue Tracking, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8bPatch, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00026.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202105-24Third Party Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532Exploit, Issue Tracking, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8bPatch, Third Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00026.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202105-24Third Party Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.