CVE-2017-1000460

Public Exploit

Description

In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called on an uninitialized get_bits context, which causes a NULL deref exception.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory libav.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html issue tracking patch
https://bugzilla.libav.org/show_bug.cgi?id=952 issue tracking exploit third party advisory
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c issue tracking patch
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html mailing list

Frequently Asked Questions

What is the severity of CVE-2017-1000460?
CVE-2017-1000460 has been scored as a medium severity vulnerability.
How to fix CVE-2017-1000460?
To fix CVE-2017-1000460, 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-2017-1000460 being actively exploited in the wild?
It is possible that CVE-2017-1000460 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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