CVE-2020-35965

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3 third party advisory patch
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532 issue tracking exploit third party advisory
https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b third party advisory patch
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html third party advisory mailing list
https://security.gentoo.org/glsa/202105-24 third party advisory vendor advisory
https://www.debian.org/security/2021/dsa-4990 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-35965?
CVE-2020-35965 has been scored as a high severity vulnerability.
How to fix CVE-2020-35965?
To fix CVE-2020-35965, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-35965 being actively exploited in the wild?
It is possible that CVE-2020-35965 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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