Arch Linux Security Advisory ASA-201603-14 ========================================== Severity: High Date : 2016-03-12 CVE-ID : CVE-2015-8833 Package : pidgin-otr Type : arbitrary code execution Remote : Yes Link : https://wiki.archlinux.org/index.php/CVE Summary ======= The package pidgin-otr before version 4.0.2-1 is vulnerable to use-after-free leading to denial of service or possible arbitrary code execution. Resolution ========== Upgrade to 4.0.2-1. # pacman -Syu "pidgin-otr>=4.0.2-1" The problem has been fixed upstream in version 4.0.2. Workaround ========== None. Description =========== The pidgin-otr plugin fixes a heap use after free error. The bug is triggered when a user tries to authenticate a buddy and happens in the function create_smp_dialog. This issue is leading to denial of service or possibly remote code execution. Impact ====== A remote attacker is able to trigger a user-after-free during otr authentication and possibly execute arbitrary code References ========== https://access.redhat.com/security/cve/CVE-2015-8833 http://seclists.org/oss-sec/2016/q1/572 https://bugs.otr.im/issues/88 https://bugs.archlinux.org/task/48537