CVE-2017-7863

Description

FFmpeg before 2017-02-04 has an out-of-bounds write caused by a heap-based buffer overflow related to the decode_frame_common function in libavcodec/pngdec.c.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.88% Top 20%
Third-Party Advisory securityfocus.com Third-Party Advisory chromium.org Third-Party Advisory github.com Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=546 vdb entry third party advisory
http://www.securityfocus.com/bid/97675 vdb entry third party advisory
https://github.com/FFmpeg/FFmpeg/commit/e477f09d0b3619f3d29173b2cd593e17e2d1978e third party advisory patch
https://lists.debian.org/debian-lts-announce/2019/02/msg00005.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-7863?
CVE-2017-7863 has been scored as a critical severity vulnerability.
How to fix CVE-2017-7863?
To fix CVE-2017-7863, 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-2017-7863 being actively exploited in the wild?
It is possible that CVE-2017-7863 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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