An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the addthemesfromdir method in dlg-contact-sheet.c because of two successive calls of gfree, each of which frees the same buffer.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_name": "gthumb", "binary_version": "3:3.4.3-1ubuntu0.1~esm1" }, { "binary_name": "gthumb-data", "binary_version": "3:3.4.3-1ubuntu0.1~esm1" }, { "binary_name": "gthumb-dbgsym", "binary_version": "3:3.4.3-1ubuntu0.1~esm1" }, { "binary_name": "gthumb-dev", "binary_version": "3:3.4.3-1ubuntu0.1~esm1" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_name": "gthumb", "binary_version": "3:3.6.1-1ubuntu0.1~esm1" }, { "binary_name": "gthumb-data", "binary_version": "3:3.6.1-1ubuntu0.1~esm1" }, { "binary_name": "gthumb-dbgsym", "binary_version": "3:3.6.1-1ubuntu0.1~esm1" }, { "binary_name": "gthumb-dev", "binary_version": "3:3.6.1-1ubuntu0.1~esm1" } ] }