Vulnerability Details : CVE-2015-6821
The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2015-6821
- cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-6821
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-6821
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2015-6821
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6821
-
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b160fc290cf49b516c5b6ee0730fd9da7fc623b1
git.videolan.org Git - ffmpeg.git/commit
-
http://www.securitytracker.com/id/1033483
FFmpeg Multiple Bugs Let Remote Users Cause the Target Service to Crash - SecurityTracker
-
http://ffmpeg.org/security.html
FFmpeg Security
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https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
[SECURITY] [DLA 1611-1] libav security update
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