Vulnerability Details : CVE-2020-36138
An issue was discovered in decode_frame in libavcodec/tiff.c in FFmpeg version 4.3, allows remote attackers to cause a denial of service (DoS).
Vulnerability category: Denial of service
Products affected by CVE-2020-36138
- cpe:2.3:a:ffmpeg:ffmpeg:4.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-36138
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-36138
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
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-2020-36138
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-36138
-
https://github.com/FFmpeg/FFmpeg/commit/292e41ce650a7b5ca5de4ae87fff0d6a90d9fc97
avcodec/tiff: Disallow striped and tiled tiffs except for DNG · FFmpeg/FFmpeg@292e41c · GitHubPatch
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https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2020-November/272001.html
[FFmpeg-devel] [PATCH 7/7] avcodec/tiff: Disallow striped and tiled tiffs except for DNGPatch
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https://trac.ffmpeg.org/ticket/8960
#8960 (The function decode_frame in libavcodec/tiff.c has an uninitialized variable which may cause application crash) – FFmpegPatch
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