Vulnerability Database

313,495

Total vulnerabilities in the database

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.

  • Published: Nov 12, 2010
  • Updated: Nov 9, 2025
  • CVE: CVE-2009-5017
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
mozilla / firefox 3.6-beta1 3.6-beta1.x
mozilla / firefox - 3.6.x