Vulnerability Details : CVE-2015-6818
The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks.
Vulnerability category: Denial of service
Products affected by CVE-2015-6818
- cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-6818
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-6818
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-2015-6818
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6818
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http://www.securitytracker.com/id/1033483
FFmpeg Multiple Bugs Let Remote Users Cause the Target Service to Crash - SecurityTracker
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http://ffmpeg.org/security.html
FFmpeg Security
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http://www.ubuntu.com/usn/USN-2944-1
USN-2944-1: Libav vulnerabilities | Ubuntu security notices
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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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http://git.videolan.org/?p=ffmpeg.git;a=commit;h=47f4e2d8960ca756ca153ab8e3e93d80449b8c91
git.videolan.org Git - ffmpeg.git/commit
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