CVE-2017-1000460 - 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

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MEDIUM

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

Published Jan 3, 2018

6.5

MEDIUM

CVSS 3.0

EPSS 0.49%

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.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-476

NULL Pointer Dereference

References (4)

https://bugzilla.libav.org/show_bug.cgi?id=952
x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c
x_refsource_MISCIssue TrackingPatch
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html
mailing-listx_refsource_MLIST
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html
x_refsource_MISCIssue TrackingPatch

Link	Providers	Tags
https://bugzilla.libav.org/show_bug.cgi?id=952		x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c		x_refsource_MISCIssue TrackingPatch
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html		mailing-listx_refsource_MLIST
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html		x_refsource_MISCIssue TrackingPatch