CVE-2009-2663

CVE-2009-2663 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-399.

Key facts

Description

libvorbis before r16182, as used in Mozilla Firefox 3.5.x before 3.5.2 and other products, allows context-dependent attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted .ogg file.

Frequently asked questions

What is CVE-2009-2663?
libvorbis before r16182, as used in Mozilla Firefox 3.5.x before 3.5.2 and other products, allows context-dependent attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted .ogg file.
How severe is CVE-2009-2663?
CVE-2009-2663 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-2663 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2663?
CVE-2009-2663 primarily affects Mozilla Firefox. In total, 103 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2663?
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-2009-2663 published?
CVE-2009-2663 was published on 2009-08-04 and last updated on 2026-06-16.

References

Affected products (103)

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