Debian: DSA-4972-1: ghostscript security update

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It was discovered that Ghostscript, the GPL PostScript/PDF interpreter, does not properly validate access for the "%pipe%", "%handle%" and "%printer%" io devices, which could result in the execution of arbitrary code if a malformed Postscript file is processed (despite the -dSAFER

Debian: DSA-4968-1: haproxy security update

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Ori Hollander reported that missing header name length checks in the htx_add_header() and htx_add_trailer() functions in HAProxy, a fast and reliable load balancing reverse proxy, could result in request smuggling attacks or response splitting attacks.

Debian: DSA-4967-1: squashfs-tools security update

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Etienne Stalmans discovered that unsquashfs in squashfs-tools, the tools to create and extract Squashfs filesystems, does not validate filenames for traversal outside of the destination directory. An attacker can take advantage of this flaw for writing to arbitrary files to the filesystem