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.
References (4)
Core 4
Core References
Issue Tracking, Patch x_refsource_misc
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.libav.org/show_bug.cgi?id=952
Issue Tracking, Patch x_refsource_misc
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html
Scores
CVSS v3
6.5
EPSS
0.0022
EPSS Percentile
44.1%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (3)
ffmpeg/ffmpeg
3.4
google/chrome
< 56.0.2924
libav/libav
13_dev0
Published
Jan 03, 2018
Tracked Since
Feb 18, 2026