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CVE-2012-3976

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events…

Medium4.3EPSS 1.8%
Published
Updated
Reserved
Assigned by
mitre

Description

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.

Scores

CVSS scores of CVE-2012-3976, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.3AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS (exploitation in 30 days)
1.8% · top 22% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • n/a

    • affected n/a

References (11)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .