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Category:   Application (Multimedia)  >   FFmpeg Vendors:   ffmpeg.sourceforge.net
(Ubuntu Issues Fix) FFmpeg Multiple Bugs Let Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1035462
SecurityTracker URL:  http://securitytracker.com/id/1035462
CVE Reference:   CVE-2015-6818, CVE-2015-6820, CVE-2015-6824, CVE-2015-6826   (Links to External Site)
Date:  Apr 4 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.7.2
Description:   Multiple vulnerabilities were reported in FFmpeg. A remote user can cause the target service to crash.

A remote user can create a specially crafted file that, when loaded by the target user, will cause the target application using FFmpeg to crash.

An out-of-bounds array access flaw may occur in the decode_ihdr_chunk() function in 'libavcodec/pngdec.c' is affected [CVE-2015-6818].

Some integer overflows may occur in the ff_mjpeg_decode_frame() function in 'libavcodec/mjpegdec.c] [CVE-2015-6819].

An out-of-bounds array access flaw may occur in the ff_sbr_apply() function in 'libavcodec/aacsbr.c' [CVE-2015-6820].

An invalid pointer access flaw may occur in the ff_mpv_common_init() function in 'libavcodec/mpegvideo.c' [CVE-2015-6821].

An error may occur in the destroy_buffers() function in 'libavcodec/sanm.c' in the processing of specially crafted LucasArts Smush video data [CVE-2015-6822].

An error may occur in the allocate_buffers() function in 'libavcodec/alac.c' in the processing of specially crafted Apple Lossless Audio Codec (ALAC) data [CVE-2015-6823].

An error may occur in the sws_init_context() function in 'libswscale/utils.c' [CVE-2015-6824].

An error may occur in the ff_frame_thread_init() function in 'libavcodec/pthread_frame.c' in the processing of AVI files [CVE-2015-6825].

An invalid pointer access flaw may occur in the ff_rv34_decode_init_thread_copy() function in 'libavcodec/rv34.c' in the processing of RV30 or RV40 RealVideo data [CVE-2015-6826].

Impact:   A remote user can create a file that, when loaded by the target application, will cause the target application to crash.
Solution:   Ubuntu has issued a fix for CVE-2015-6818, CVE-2015-6820, CVE-2015-6824, and CVE-2015-6826.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2944-1

Vendor URL:  www.ubuntu.com/usn/usn-2944-1 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS

Message History:   This archive entry is a follow-up to the message listed below.
Sep 8 2015 FFmpeg Multiple Bugs Let Remote Users Cause the Target Service to Crash



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