SUSE CVE-2019-13112

A PngChunk::parseChunkContent uncontrolled memory allocation in Exiv2 through 0.27.1 allows an attacker to cause a denial of service crash due to an std::badalloc exception via a crafted PNG image file...

CVE-2020-21677

A heap-based buffer overflow in the sixelencoderoutputwithoutmacro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service DOS via converting a crafted PNG file into Sixel format...