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Vulnerability record · CVE-2006-2776 · published 2 June 2006

CVE-2006-2776: Mozilla firefox vulnerability

Mozilla · Firefox

Certain privileged UI code in Mozilla Firefox and Thunderbird before 1.5.0.4 calls content-defined setters on an object prototype, which allows remote attackers to execute code at a higher privilege than intended.

7.5 CVSS 2.0 High EPSS 6.2% · top 6.7%
7.5CVSS 2.0 base score
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
112References
16 Jun 2026Last modified by NVD

Description

Certain privileged UI code in Mozilla Firefox and Thunderbird before 1.5.0.4 calls content-defined setters on an object prototype, which allows remote attackers to execute code at a higher privilege than intended.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

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

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2006-0609.html
http://secunia.com/advisories/20376
http://secunia.com/advisories/20382
http://secunia.com/advisories/20561
http://secunia.com/advisories/20709
http://secunia.com/advisories/21134
http://secunia.com/advisories/21176
http://secunia.com/advisories/21178
http://secunia.com/advisories/21183
http://secunia.com/advisories/21188
http://secunia.com/advisories/21210
http://secunia.com/advisories/21269
http://secunia.com/advisories/21270
http://secunia.com/advisories/21324
http://secunia.com/advisories/21336
http://secunia.com/advisories/21532
http://secunia.com/advisories/21607
http://secunia.com/advisories/21631
http://secunia.com/advisories/22065
http://secunia.com/advisories/22066
http://secunia.com/advisories/24108
http://securitytracker.com/id?1016202
http://securitytracker.com/id?1016214
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102800-1
http://www.debian.org/security/2006/dsa-1118
http://www.debian.org/security/2006/dsa-1120
http://www.debian.org/security/2006/dsa-1134
http://www.gentoo.org/security/en/glsa/glsa-200606-12.xml
http://www.gentoo.org/security/en/glsa/glsa-200606-21.xml
http://www.kb.cert.org/vuls/id/575969 PatchUS Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2006:143
http://www.mandriva.com/security/advisories?name=MDKSA-2006:145
http://www.mandriva.com/security/advisories?name=MDKSA-2006:146
http://www.mozilla.org/security/announce/2006/mfsa2006-37.html PatchVendor Advisory
http://www.novell.com/linux/security/advisories/2006_35_mozilla.html
http://www.redhat.com/support/errata/RHSA-2006-0578.html
http://www.redhat.com/support/errata/RHSA-2006-0594.html
http://www.redhat.com/support/errata/RHSA-2006-0610.html
http://www.redhat.com/support/errata/RHSA-2006-0611.html
http://www.securityfocus.com/archive/1/435795/100/0/threaded

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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-2006-2776), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.