CVE-2006-2777

CVE-2006-2777 is a high-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in Mozilla Firefox before 1.5.0.4 and SeaMonkey before 1.0.2 allows remote attackers to execute arbitrary code by using the nsISelectionPrivate interface of the Selection object to add a SelectionListener and create notifications that are executed in a privileged context.

Frequently asked questions

What is CVE-2006-2777?
Unspecified vulnerability in Mozilla Firefox before 1.5.0.4 and SeaMonkey before 1.0.2 allows remote attackers to execute arbitrary code by using the nsISelectionPrivate interface of the Selection object to add a SelectionListener and create notifications that are executed in a privileged context.
How severe is CVE-2006-2777?
CVE-2006-2777 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-2777 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2777?
CVE-2006-2777 primarily affects Mozilla Firefox. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2777?
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-2006-2777 published?
CVE-2006-2777 was published on 2006-06-02 and last updated on 2026-06-16.

References

Affected products (25)

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