Vulnerability Details : CVE-2021-30123
FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.
Vulnerability category: OverflowExecute code
Products affected by CVE-2021-30123
- cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-30123
2.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-30123
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-30123
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-30123
-
https://trac.ffmpeg.org/ticket/8863
#8863 (null pointer reference) – FFmpegExploit;Vendor Advisory
-
https://security.gentoo.org/glsa/202105-24
FFmpeg: Multiple vulnerabilities (GLSA 202105-24) — Gentoo securityThird Party Advisory
-
https://trac.ffmpeg.org/ticket/8845
#8845 (A stack-buffer-overflow in FFmpeg JIT code) – FFmpegExploit;Vendor Advisory
-
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=d6f293353c94c7ce200f6e0975ae3de49787f91f
git.videolan.org Git - ffmpeg.git/commitdiffPatch;Third Party Advisory
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