CVE-2020-35965
HIGHCVSS 7.5/10EPSS 2.26%
Last modified
CVE-2020-35965 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.26% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | >= 4.3.1, < 4.4 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-35965?
CVE-2020-35965 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.26% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35965?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-35965?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST