CVE-2017-1000460

Name: CVE-2017-1000460
Creator: NVD / NIST
Published: 2018-01-03T20:29:00.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.49%

Last modified Jun 17, 2026

CVE-2017-1000460 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.49%

38.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Libav	Libav	13_dev0
Ffmpeg	Ffmpeg	3.4
Google	Chrome	<= 56.0.2924

References

https://bugzilla.libav.org/show_bug.cgi?id=952Exploit, Issue Tracking, Third Party Advisory
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70cIssue Tracking, Patch
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.htmlIssue Tracking, Patch
https://bugzilla.libav.org/show_bug.cgi?id=952Exploit, Issue Tracking, Third Party Advisory
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70cIssue Tracking, Patch
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.htmlIssue Tracking, Patch

Timeline

Published: Jan 3, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-1000460?

How severe is CVE-2017-1000460?

Severity scoring for CVE-2017-1000460 is pending analysis. The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2017-1000460?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-1000460?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST