fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary code via a crafted cache file.
{ "binaries": [ { "binary_name": "fontconfig", "binary_version": "2.11.0-0ubuntu4.2" }, { "binary_name": "fontconfig-config", "binary_version": "2.11.0-0ubuntu4.2" }, { "binary_name": "libfontconfig1", "binary_version": "2.11.0-0ubuntu4.2" }, { "binary_name": "libfontconfig1-dev", "binary_version": "2.11.0-0ubuntu4.2" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "fontconfig", "binary_version": "2.11.94-0ubuntu1.1" }, { "binary_name": "fontconfig-config", "binary_version": "2.11.94-0ubuntu1.1" }, { "binary_name": "libfontconfig1", "binary_version": "2.11.94-0ubuntu1.1" }, { "binary_name": "libfontconfig1-dev", "binary_version": "2.11.94-0ubuntu1.1" } ], "availability": "No subscription required" }