CVE-2006-4565

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-09-15 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a JavaScript regular expression with a "minimal quantifier."

Affected products

Mozilla Firefox: through 1.5.0.6
Mozilla Seamonkey: through 1.0.4
Mozilla Thunderbird: through 1.5.0.6

References

http://secunia.com/advisories/21906
http://secunia.com/advisories/21915
http://secunia.com/advisories/21916
http://secunia.com/advisories/21939
http://secunia.com/advisories/21940
http://secunia.com/advisories/21949
http://secunia.com/advisories/21950
http://secunia.com/advisories/22001
http://secunia.com/advisories/22025
http://secunia.com/advisories/22036
http://secunia.com/advisories/22055

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