CVE-2007-2671

CVE-2007-2671 is a high-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Firefox 2.0.0.3 allows remote attackers to cause a denial of service (application crash) via a long hostname in an HREF attribute in an A element, which triggers an out-of-bounds memory access.

Frequently asked questions

What is CVE-2007-2671?
Mozilla Firefox 2.0.0.3 allows remote attackers to cause a denial of service (application crash) via a long hostname in an HREF attribute in an A element, which triggers an out-of-bounds memory access.
How severe is CVE-2007-2671?
CVE-2007-2671 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2007-2671 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2671?
CVE-2007-2671 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-2671?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-2671 published?
CVE-2007-2671 was published on 2007-05-14 and last updated on 2026-06-16.

References

Affected products (1)

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