CVE-2015-6821

Description

The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.70% Top 30%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=b160fc290cf49b516c5b6ee0730fd9da7fc623b1
https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html mailing list
http://www.securitytracker.com/id/1033483 vdb entry
http://ffmpeg.org/security.html

Frequently Asked Questions

What is the severity of CVE-2015-6821?
CVE-2015-6821 has been scored as a high severity vulnerability.
How to fix CVE-2015-6821?
To fix CVE-2015-6821, 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-2015-6821 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-6821 is being actively exploited. 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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