libavcodec/utvideodec.c in FFmpeg before 2.5.2 does not check for a zero value of a slice height, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Ut Video data, related to the (1) restore_median and (2) restore_median_il functions.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-9604
• https://security.gentoo.org/glsa/201603-06
• http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3881606240953b9275a247a1c98a567f3c44890f
• http://www.ubuntu.com/usn/USN-2534-1
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=3881606240953b9275a247a1c98a567f3c44890f