An issue was discovered in Exempi through 2.4.4. A certain case of a 0xffffffff length is mishandled in XMPFiles/source/FormatSupport/PSIR_FileWriter.cpp, leading to a heap-based buffer over-read in the PSD_MetaHandler::CacheFileData() function.Referenceshttps://cgit.freedesktop.org/exempi/commit/?id=6cbd34025e5fd3ba47b29b602096e456507ce83bhttps://lists.debian.org/debian-lts-announce/2018/03/msg00013.htmlhttps://bugs.freedesktop.org/show_bug.cgi?id=105204https://usn.ubuntu.com/3668-1/https://access.redhat.com/errata/RHSA-2019:2048https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/
