Several security-related fixes have been included in the 0.2.4.26 and 0.2.5.11 releases of tor: https://lists.torproject.org/pipermail/tor-talk/2015-March/037281.html
Created tor tracking bugs for this issue: Affects: fedora-all [bug 1204774] Affects: epel-all [bug 1204775]
*** Bug 1205237 has been marked as a duplicate of this bug. ***
CVE-2015-2688 CVE-2015-2689 were assigned to these issues: http://seclists.org/oss-sec/2015/q1/1001
tor-0.2.5.11-1.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.
tor-0.2.5.11-1.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
tor-0.2.5.11-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.
tor-0.2.4.26-1.el5 has been pushed to the Fedora EPEL 5 stable repository. If problems still persist, please make note of it in this bug report.
tor-0.2.5.12-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.
tor-0.2.5.12-1.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.
tor-0.2.5.12-1.el6 has been pushed to the Fedora EPEL 6 stable repository. If problems still persist, please make note of it in this bug report.