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Date: Mon, 06 Feb 2017 12:32:21 +0100
From: Agostino Sarubbo <>
Subject: mupdf: heap-based buffer overflow in fz_subsample_pixmap


there in an heap overflow in fz_subsample_pixmap.

The bug was discovered by Kamil Frankowicz which said to have tested it 
against the current git head.
The same testcase does not crash the current stable 1.10a, but I can confirm 
(with a round of fuzzing on 1.10a) that stable is affected.

No fix atm.


Reproducer for 1.10a:

Agostino Sarubbo
Gentoo Linux Developer

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