An issue has been found in libpng 1.6.34. It is a SEGV in the function pngfreedata in png.c, related to the recommended error handling for pngreadimage.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "libpng12-0-udeb-dbgsym": "1.2.54-1ubuntu1.1+esm1", "libpng12-0-dbgsym": "1.2.54-1ubuntu1.1+esm1", "libpng12-dev": "1.2.54-1ubuntu1.1+esm1", "libpng3": "1.2.54-1ubuntu1.1+esm1", "libpng12-0": "1.2.54-1ubuntu1.1+esm1", "libpng12-0-udeb": "1.2.54-1ubuntu1.1+esm1" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "libpng16-16": "1.6.20-2ubuntu0.1~esm1", "libpng16-16-udeb": "1.6.20-2ubuntu0.1~esm1", "libpng16-16-udeb-dbgsym": "1.6.20-2ubuntu0.1~esm1", "libpng16-devtools": "1.6.20-2ubuntu0.1~esm1", "libpng16-16-dbgsym": "1.6.20-2ubuntu0.1~esm1", "libpng16-dev": "1.6.20-2ubuntu0.1~esm1", "libpng16-tools": "1.6.20-2ubuntu0.1~esm1", "libpng16-tools-dbgsym": "1.6.20-2ubuntu0.1~esm1" } ] }