avcodec/pngdec: Check IHDR/IDAT order
authorMichael Niedermayer <michaelni@gmx.at>
Wed, 26 Nov 2014 13:45:47 +0000 (14:45 +0100)
committerMike Gabriel <sunweaver@debian.org>
Sat, 31 Aug 2019 15:36:55 +0000 (16:36 +0100)
commit6483899a521241ccbd6d23d3ad87d921d756bd6b
tree942e6b8653345f70e82ca19dee98990532c97cc8
parent1987aed409e96854cf9e16894ea63523408b5104
avcodec/pngdec: Check IHDR/IDAT order

avcodec/pngdec: Check IHDR/IDAT order

Fixes out of array access
Fixes: asan_heap-oob_20a6c26_2690_cov_3434532168_mail.png
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
[sunweaver] - Port this commit to libav in Debian jessie.

Gbp-Pq: Name CVE-2014-9317.patch
libavcodec/pngdec.c