CVE-2006-1737

CVE-2006-1737 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-189.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 5% (91st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Mozilla Firefox
• Published: 2006-04-14
• Last modified: 2026-06-16

Description

Integer overflow in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary bytecode via JavaScript with a large regular expression.

Frequently asked questions

What is CVE-2006-1737?

Integer overflow in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary bytecode via JavaScript with a large regular expression.

How severe is CVE-2006-1737?

CVE-2006-1737 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2006-1737 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1737?

CVE-2006-1737 primarily affects Mozilla Firefox. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-1737?

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-2006-1737 published?

CVE-2006-1737 was published on 2006-04-14 and last updated on 2026-06-16.

References

• ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2006.26/SCOSA-2006.26.txt
• ftp://patches.sgi.com/support/free/security/advisories/20060404-01-U.asc
• http://lists.suse.com/archive/suse-security-announce/2006-Apr/0003.html
• http://secunia.com/advisories/19631
• http://secunia.com/advisories/19696
• http://secunia.com/advisories/19714
• http://secunia.com/advisories/19721
• http://secunia.com/advisories/19729
• http://secunia.com/advisories/19746
• http://secunia.com/advisories/19759
• http://secunia.com/advisories/19780
• http://secunia.com/advisories/19794
• http://secunia.com/advisories/19811
• http://secunia.com/advisories/19821
• http://secunia.com/advisories/19823
• http://secunia.com/advisories/19852
• http://secunia.com/advisories/19862
• http://secunia.com/advisories/19863
• http://secunia.com/advisories/19902
• http://secunia.com/advisories/19941
• http://secunia.com/advisories/19950
• http://secunia.com/advisories/20051
• http://secunia.com/advisories/21033
• http://secunia.com/advisories/21622
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-102550-1
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-228526-1
• http://support.avaya.com/elmodocs2/security/ASA-2006-205.htm
• http://www.debian.org/security/2006/dsa-1044
• http://www.debian.org/security/2006/dsa-1046
• http://www.debian.org/security/2006/dsa-1051

Affected products (30)

• cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.5:beta1:*:*:*:*:*:*
• cpe:2.3:a:mozilla:firefox:1.5:beta2:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_suite:1.7.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_suite:1.7.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_suite:1.7.8:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_suite:1.7.10:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_suite:1.7.11:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_suite:1.7.12:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:*:alpha:*:*:*:*:*
• cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.5:beta:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.5:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:thunderbird:1.5:beta2:*:*:*:*:*:*

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