CVE-2009-5017
Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8 encoding, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted string, a different vulnerability than CVE-2010-1210.
- EPSS
- 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox
References
- http://hg.mozilla.org/releases/mozilla-1.9.2/rev/e42c563313a0
- http://sirdarckcat.blogspot.com/2009/10/couple-of-unicode-issues-on-php-and.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=511859
- https://bugzilla.mozilla.org/show_bug.cgi?id=522634
- http://hg.mozilla.org/releases/mozilla-1.9.2/rev/e42c563313a0