It was discovered that Okular mishandled certain crafted archives during extraction. An attacker could use this vulnerability to write arbitrary files to the filesystem.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "libokular5core8" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "libokular5core8-dbgsym" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "okular" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "okular-dbgsym" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "okular-dev" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "okular-extra-backends" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "okular-extra-backends-dbgsym" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "okular-mobile" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "qml-module-org-kde-okular" }, { "binary_version": "4:17.12.3-0ubuntu1+esm1", "binary_name": "qml-module-org-kde-okular-dbgsym" } ] }