CVE-2009-3979

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-12-17 · updated 2026-06-16

Description

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.

Affected products

Mozilla Firefox: through 3.0.15; 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+103)
Mozilla Seamonkey: through 2.0; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+39)

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
http://secunia.com/advisories/37856
http://secunia.com/advisories/37881
http://securitytracker.com/id?1023333
http://securitytracker.com/id?1023334
http://www.debian.org/security/2009/dsa-1956
http://www.mozilla.org/security/announce/2009/mfsa2009-65.html
http://www.novell.com/linux/security/advisories/2009_63_firefox.html

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