CVE-2006-4565
CVE-2006-4565 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-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 6% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Mozilla Firefox
- Published:
- Last modified:
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."
Frequently asked questions
- What is CVE-2006-4565?
- 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."
- How severe is CVE-2006-4565?
- CVE-2006-4565 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2006-4565 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-4565?
- CVE-2006-4565 primarily affects Mozilla Firefox. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-4565?
- 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-2006-4565 published?
- CVE-2006-4565 was published on 2006-09-15 and last updated on 2026-06-16.
References
- ftp://patches.sgi.com/support/free/security/advisories/20060901-01-P.asc
- 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
- http://secunia.com/advisories/22056
- http://secunia.com/advisories/22066
- http://secunia.com/advisories/22074
- http://secunia.com/advisories/22088
- http://secunia.com/advisories/22195
- http://secunia.com/advisories/22210
- http://secunia.com/advisories/22247
- http://secunia.com/advisories/22274
- http://secunia.com/advisories/22299
- http://secunia.com/advisories/22342
- http://secunia.com/advisories/22391
- http://secunia.com/advisories/22422
- http://secunia.com/advisories/22849
- http://secunia.com/advisories/24711
- http://security.gentoo.org/glsa/glsa-200609-19.xml
- http://security.gentoo.org/glsa/glsa-200610-01.xml
- http://security.gentoo.org/glsa/glsa-200610-04.xml
- http://securitytracker.com/id?1016846
Affected products (3)
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
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