Medium severity · published Jan 3, 2021
CVE-2020-35964
track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing
6.5
CVSS
1.5%
EPSS
No
On KEV
Description
track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
Ffmpeg · Ffmpeg
4.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-35964
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-35964
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622
Patch
https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7
Third Party Advisory
https://security.gentoo.org/glsa/202105-24
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