template/en/default/list/list.js.tmpl in Bugzilla 2.x and 3.x before 3.6.9, 3.7.x and 4.0.x before 4.0.6, and 4.1.x and 4.2.x before 4.2.1 does not properly handle multiple logins, which allows remote attackers to conduct cross-site scripting (XSS) attacks and obtain sensitive bug information via a crafted web page.

Bugzilla 2.x and 3.x before 3.4.14, 3.5.x and 3.6.x before 3.6.8, 3.7.x and 4.0.x before 4.0.4, and 4.1.x and 4.2.x before 4.2rc2 does not reject non-ASCII characters in e-mail addresses of new user accounts, which makes it easier for remote authenticated users to spoof other user accounts by choosing a similar e-mail address.

Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.5.0 through 2.8.1, as used in Bugzilla, Moodle, and other products, allows remote attackers to inject arbitrary web script or HTML via vectors related to uploader/assets/uploader.swf.

Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.4.0 through 2.8.1, as used in Bugzilla, Moodle, and other products, allows remote attackers to inject arbitrary web script or HTML via vectors related to charts/assets/charts.swf.

Buffer overflow in LHA allows remote attackers to execute arbitrary code via long pathnames in LHarc format 2 headers for a .LHZ archive, as originally demonstrated using the "x" option but also exploitable through "l" and "v", and fixed in header.c, a different issue than CVE-2004-0771.