A use-after-free vulnerability exists in handleerror() in sasscontext.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "3.4.8-1ubuntu0.1~esm1", "binary_name": "libsass-dev" }, { "binary_version": "3.4.8-1ubuntu0.1~esm1", "binary_name": "libsass0" }, { "binary_version": "3.4.8-1ubuntu0.1~esm1", "binary_name": "libsass0-dbg" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "3.5.5-4", "binary_name": "libsass-dev" }, { "binary_version": "3.5.5-4", "binary_name": "libsass1" }, { "binary_version": "3.5.5-4", "binary_name": "libsass1-dbgsym" } ] }