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CVE-2012-3976

MEDIUM severity · CVSS 4.3 · Information disclosure
4.3CVSS MEDIUM

Summary

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events during navigation between different https sites, which allows remote attackers to spoof the X.509 certificate information in the address bar via a crafted web page.

Impact & exploitability

Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)2%

AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products we track (2)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.