4.4.11 and 5.0.2 Security AdvisoryMonday, May 16th, 2016
Summary ======= Bugzilla is a Web-based bug-tracking system used by a large number of software projects. The following security issue has been discovered in Bugzilla: * A specially crafted bug summary could trigger XSS in dependency graphs. All affected installations are encouraged to upgrade as soon as possible. Vulnerability Details ===================== Class: Cross-Site Scripting Versions: Bugzilla 2.16rc1 to 4.4.11, 4.5.1 to 5.0.2 Fixed In: 4.4.12, 5.0.3 Description: Due to an incorrect parsing of the image map generated by the dot script, a specially crafted bug summary could trigger XSS in dependency graphs. References: https://bugzilla.mozilla.org/show_bug.cgi?id=1253263 CVE Number: CVE-2016-2803 Vulnerability Solutions ======================= The fix for this issue is included in the 4.4.12 and 5.0.3 releases. Upgrading to a release with the relevant fix will protect your installation from possible exploits of this issue. If you are unable to upgrade but would like to patch just the security vulnerability, there are patches available for the issue at the "References" URL. Full release downloads, patches to upgrade Bugzilla from previous versions, and git upgrade instructions are available at: https://www.bugzilla.org/download/ Credits ======= The Bugzilla team wish to thank the following people for their assistance in locating, advising us of, and assisting us to fix this issue: Reporter: Wladimir Palant Fixed by: Frédéric Buclin, David Lawrence General information about the Bugzilla bug-tracking system can be found at: https://www.bugzilla.org/ Comments and follow-ups can be directed to the mozilla.support.bugzilla newsgroup or the support-bugzilla mailing list. https://www.bugzilla.org/support/ has directions for accessing these forums.