CVE-2007-5959

CVE-2007-5959 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors that trigger memory corruption.

Frequently asked questions

What is CVE-2007-5959?
Multiple unspecified vulnerabilities in Mozilla Firefox before 2.0.0.10 and SeaMonkey before 1.1.7 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors that trigger memory corruption.
How severe is CVE-2007-5959?
CVE-2007-5959 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-5959 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5959?
CVE-2007-5959 primarily affects Mozilla Firefox. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5959?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-5959 published?
CVE-2007-5959 was published on 2007-11-26 and last updated on 2026-06-16.

References

Affected products (66)

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