Description
The sws_init_context function in libswscale/utils.c in FFmpeg before 2.7.2 does not initialize certain pixbuf data structures, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted video data.
References (5)
Core 5
Core References
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2944-1
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1033483
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html
Various Sources x_refsource_confirm
http://ffmpeg.org/security.html
Patch x_refsource_confirm
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a5d44d5c220e12ca0cb7a4eceb0f74759cb13111
Scores
EPSS
0.0089
EPSS Percentile
75.7%
Details
CWE
CWE-20
Status
published
Products (2)
canonical/ubuntu_linux
12.04
ffmpeg/ffmpeg
< 2.7.1
Published
Sep 06, 2015
Tracked Since
Feb 18, 2026