[SECURITY] Fedora 27 Update: advancecomp-2.1-4.fc27

AdvanceCOMP is a set of recompression utilities for .PNG, .MNG and .ZIP fil es. The main features are : Recompress ZIP, PNG and MNG files using the Deflate 7-Zip implementation. Recompress MNG files using Delta and Move optimization. This package contains: advzip - Recompression and test utility...

Debian DLA-1281-1 : advancecomp security update

Joonun Jang discovered that the advzip tool in advancecomp, a collection of recompression utilities, was prone to a heap-based buffer overflow. This might allow an attacker to cause a denial of service application crash or other unspecified impact via a crafted file. For Debian 7 'Wheezy', these...

Making JPEG Images Copy-Evident

A group of academic researchers at the University of Cambridge has developed a new technique for making JPEG images copy-evident, so that users can tell whether an image has been recompressed and copied. The technique, presented in a paper by Andrew B. Lewis and Markus G. Kuhn, relies on a comple...