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Vulnerability record · CVE-2006-4565 · published 15 September 2006

CVE-2006-4565: Mozilla firefox memory buffer overflow vulnerability

Mozilla · Firefox

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."

9.3 CVSS 2.0 High EPSS 6.1% · top 6.9% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
116References
16 Jun 2026Last modified by NVD

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."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://patches.sgi.com/support/free/security/advisories/20060901-01-P.asc
http://secunia.com/advisories/21906 PatchVendor Advisory
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 PatchVendor Advisory
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
http://securitytracker.com/id?1016847
http://securitytracker.com/id?1016848
http://support.avaya.com/elmodocs2/security/ASA-2006-224.htm
http://www.debian.org/security/2006/dsa-1192
http://www.debian.org/security/2006/dsa-1210
http://www.mandriva.com/security/advisories?name=MDKSA-2006:168
http://www.mandriva.com/security/advisories?name=MDKSA-2006:169
http://www.mozilla.org/security/announce/2006/mfsa2006-57.html Vendor Advisory
http://www.novell.com/linux/security/advisories/2006_54_mozilla.html
http://www.redhat.com/support/errata/RHSA-2006-0675.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-4565), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.