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TITLE:
FFmpeg Multiple Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA22180

VERIFY ADVISORY:
http://secunia.com/advisories/22180/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
FFmpeg 0.x
http://secunia.com/product/6372/

DESCRIPTION:
Some vulnerabilities have been reported in FFmpeg, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise a vulnerable system.

The vulnerabilities are caused due to various boundary errors within
libavformat/rm.c, libavformat/sierravmd.c, libavformat/smacker.c,
libavformat/tta.c, libavcodec/vorbis.c, libavcodec/dtsdec.c,
libavcodec/4xm.c, libavcodec/alac.c, libavcodec/cook.c,
libavcodec/shorten.c, libavcodec/snow.c, libavcodec/tta.c, and
libavcodec/smacker.c. This can be exploited to cause buffer overflows
when a specially crafted media file is opened.

Successful exploitation may potentially allow execution of arbitrary
code.

SOLUTION:
The vulnerabilities have been fixed in the CVS repository.

PROVIDED AND/OR DISCOVERED BY:
Disclosed via CVS commits by the vendor.

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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