Vulnerability Details : CVE-2020-35965
Potential exploit
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-35965
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35965
0.80%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35965
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-35965
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-35965
-
https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3
avcodec/exr: skip bottom clearing loop when its outside the image · FFmpeg/FFmpeg@b0a8b40 · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html
[SECURITY] [DLA 2537-1] ffmpeg security updateMailing List;Third Party Advisory
-
https://github.com/FFmpeg/FFmpeg/commit/3e5959b3457f7f1856d997261e6ac672bba49e8b
avcodec/exr: Check ymin vs. h · FFmpeg/FFmpeg@3e5959b · GitHubPatch;Third Party Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26532
26532 - ffmpeg:ffmpeg_AV_CODEC_ID_EXR_fuzzer: Heap-buffer-overflow in decode_frame - oss-fuzzExploit;Issue Tracking;Third Party Advisory
-
https://security.gentoo.org/glsa/202105-24
FFmpeg: Multiple vulnerabilities (GLSA 202105-24) — Gentoo securityThird Party Advisory
-
https://www.debian.org/security/2021/dsa-4990
Debian -- Security Information -- DSA-4990-1 ffmpegThird Party Advisory
Jump to