Vulnerability Details : CVE-2020-20896
An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-20896
- cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-20896
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-20896
| 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-2020-20896
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-20896
-
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/dd01947397b98e94c3f2a79d5820aaf4594f4d3b
git.ffmpeg.org Git - ffmpeg.git/commitMailing List;Patch;Vendor Advisory
-
https://trac.ffmpeg.org/ticket/8273
#8273 (Segmentation fault in avpriv_copy_bits at libavcodec/bitstream.c:86) – FFmpegExploit;Issue Tracking;Vendor Advisory
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