In Exiv2 0.26 and previous versions, PngChunk::readRawProfile in pngchunk_int.cpp may cause a denial of service (application crash due to a heap-based buffer over-read) via a crafted PNG file.Referenceshttps://github.com/Exiv2/exiv2/issues/428https://lists.debian.org/debian-lts-announce/2019/02/msg00038.htmlhttps://github.com/Exiv2/exiv2/pull/430https://usn.ubuntu.com/4056-1/https://access.redhat.com/errata/RHSA-2019:2101https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
