CVE-2014-1489

CVE-2014-1489 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

Mozilla Firefox before 27.0 does not properly restrict access to about:home buttons by script on other pages, which allows user-assisted remote attackers to cause a denial of service (session restore) via a crafted web site.

Frequently asked questions

What is CVE-2014-1489?
Mozilla Firefox before 27.0 does not properly restrict access to about:home buttons by script on other pages, which allows user-assisted remote attackers to cause a denial of service (session restore) via a crafted web site.
How severe is CVE-2014-1489?
CVE-2014-1489 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-1489 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1489?
CVE-2014-1489 primarily affects Mozilla Firefox. In total, 225 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1489?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1489 published?
CVE-2014-1489 was published on 2014-02-06 and last updated on 2026-06-17.

References

Affected products (225)

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