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(parent: e2b0248) | patch
avcodec/pngdec: Only allow one IHDR chunk
authorMichael Niedermayer <michaelni@gmx.at>
Mon, 29 Jun 2015 17:08:05 +0000 (19:08 +0200)
committerMike Gabriel <sunweaver@debian.org>
Sat, 30 Mar 2019 20:44:13 +0000 (20:44 +0000)
commitb9c8f9ac41eed1b2dbfc3144ffb8be5af7979799
tree5265f51f18a30566c689dd787a1c44ba8b135e37tree | snapshot
parente2b0248acf24691099786fb19f723549f8dd9a90commit | diff
avcodec/pngdec: Only allow one IHDR chunk

avcodec/pngdec: Only allow one IHDR chunk

Multiple IHDR chunks are forbidden in PNG
Fixes inconsistency and out of array accesses

Fixes: asan_heap-oob_4d5c5a_1738_cov_2638287726_c-m2-8f2b481b7fd9bd745e620b7c01a18df2.png
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Gbp-Pq: Name CVE-2015-6818.patch
libavcodec/pngdec.c diff | blob | history
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