CVE-2009-1832

CVE-2009-1832 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. The underlying weakness is classified as CWE-94.

Key facts

Description

Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors involving "double frame construction."

Frequently asked questions

What is CVE-2009-1832?
Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors involving "double frame construction."
How severe is CVE-2009-1832?
CVE-2009-1832 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1832 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1832?
CVE-2009-1832 primarily affects Mozilla Firefox. In total, 202 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1832?
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-2009-1832 published?
CVE-2009-1832 was published on 2009-06-12 and last updated on 2026-06-16.

References

Affected products (202)

More vulnerabilities in Mozilla Firefox

All CVEs affecting Mozilla Firefox →

Other CWE-94 (Code Injection) vulnerabilities

Browse all CWE-94 (Code Injection) vulnerabilities →