CVE-2013-7021

Public Exploit

Description

The filter_frame function in libavfilter/vf_fps.c in FFmpeg before 2.1 does not properly ensure the availability of FIFO content, which allows remote attackers to cause a denial of service (double free) or possibly have unspecified other impact via crafted data.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.41% Top 25%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://trac.ffmpeg.org/ticket/2905 exploit
https://security.gentoo.org/glsa/201603-06 vendor advisory
http://ffmpeg.org/security.html
http://openwall.com/lists/oss-security/2013/12/08/3 mailing list patch
http://openwall.com/lists/oss-security/2013/11/26/7 mailing list patch
https://github.com/FFmpeg/FFmpeg/commit/cdd5df8189ff1537f7abe8defe971f80602cc2d2 patch exploit

Frequently Asked Questions

What is the severity of CVE-2013-7021?
CVE-2013-7021 has been scored as a medium severity vulnerability.
How to fix CVE-2013-7021?
To fix CVE-2013-7021, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-7021 being actively exploited in the wild?
It is possible that CVE-2013-7021 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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