Debian Linux Security Advisory 3525-1 - Vincent LE GARREC discovered an integer overflow in pixman, a pixel-manipulation library for X and cairo. A remote attacker can exploit this flaw to cause an application using the pixman library to crash, or potentially, to execute arbitrary code with the privileges of the user running the application.
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Ubuntu Security Notice 2918-1 - Vincent LE GARREC discovered an integer underflow in pixman. If a user were tricked into opening a specially crafted file, a remote attacker could cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code.
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