CVE-2009-3979

no score yetEPSS 4.0%

mozilla: no CVSS score yet. EPSS 4.0% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

EPSS: 4.0% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
Published: 2009-12-17
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:seamonkey

References

http://secunia.com/advisories/37699
http://secunia.com/advisories/37703
http://secunia.com/advisories/37704
http://secunia.com/advisories/37785
http://secunia.com/advisories/37813

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