UBUNTU-CVE-2017-18233

An issue was discovered in Exempi before 2.4.4. Integer overflow in the Chunk class in XMPFiles/source/FormatSupport/RIFF.cpp allows remote attackers to cause a denial of service infinite loop via crafted XMP data in a .avi file...

UBUNTU-CVE-2015-2942

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service CPU and memory consumption via a large number of nested entity references in an 1 SVG file or 2 XMP metadata in a PDF file, aka a "billion laughs attack," ...