VULNERABILITY INTELLIGENCE
CVE-2010-3774
CVSS score4.3 MEDIUM
EPSS probability1.64%
CISA KEVNot currently listed
Published2010-12-10
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
Description
The NS_SecurityCompareURIs function in netwerk/base/public/nsNetUtil.h in Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly handle (1) about:neterror and (2) about:certerror pages, which allows remote attackers to spoof the location bar via a crafted web site.
Weakness classification
- CWE-20: Improper Input Validation