CVE-2017-7859

Description

FFmpeg before 2017-03-05 has an out-of-bounds write caused by a heap-based buffer overflow related to the ff_h264_slice_context_init function in libavcodec/h264dec.c.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.99% Top 25%
Third-Party Advisory securityfocus.com Third-Party Advisory chromium.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=713 third party advisory vdb entry
http://www.securityfocus.com/bid/97663 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-7859?
CVE-2017-7859 has been scored as a critical severity vulnerability.
How to fix CVE-2017-7859?
To fix CVE-2017-7859, 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-2017-7859 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7859 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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