CVE-2017-1000460: Null Pointer Dereference

Published Jan 3, 2018
·
Updated

In line libavcodec/h264dec.c:500 in libav(v13dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of initgetbits is ignored and getuegolomb(&gb) is called on an uninitialized getbits context, which causes a NULL deref exception.

Affected Software

3 affected components
Libav Libav=13_dev0
FFmpeg FFmpeg=3.4
Google Chrome<=56.0.2924

Event History

Jan 3, 2018
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2017-1000460?

CVE-2017-1000460 is classified as a medium severity vulnerability due to the potential for a NULL dereference exception.

2

How do I fix CVE-2017-1000460?

To fix CVE-2017-1000460, update to a patched version of Libav, FFmpeg, or Google Chrome that addresses this issue.

3

Which software versions are affected by CVE-2017-1000460?

CVE-2017-1000460 affects Libav 13_dev0, FFmpeg 3.4, and Google Chrome versions prior to 56.0.2924.

4

What type of vulnerability is CVE-2017-1000460?

CVE-2017-1000460 is a NULL dereference vulnerability caused by improper handling of an uninitialized context.

5

What are the implications of CVE-2017-1000460?

Exploitation of CVE-2017-1000460 could lead to application crashes and degraded user experiences due to unexpected NULL dereferences.

Contact

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