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.
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{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "binary_name": "libpng16-16", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-16-dbgsym", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-16-udeb", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-16-udeb-dbgsym", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-dev", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-devtools", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-tools", "binary_version": "1.6.20-2ubuntu0.1~esm1" }, { "binary_name": "libpng16-tools-dbgsym", "binary_version": "1.6.20-2ubuntu0.1~esm1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_name": "libpng-dev", "binary_version": "1.6.37-1" }, { "binary_name": "libpng-tools", "binary_version": "1.6.37-1" }, { "binary_name": "libpng-tools-dbgsym", "binary_version": "1.6.37-1" }, { "binary_name": "libpng16-16", "binary_version": "1.6.37-1" }, { "binary_name": "libpng16-16-dbgsym", "binary_version": "1.6.37-1" }, { "binary_name": "libpng16-16-udeb", "binary_version": "1.6.37-1" } ] }