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Vulnerability record · CVE-2004-0903 · published 27 January 2005

CVE-2004-0903: Mozilla vulnerability

Mozilla · Mozilla

Stack-based buffer overflow in the writeGroup function in nsVCardObj.cpp for Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and Thunderbird before 0.8 allows remote attackers to execute arbitrary code via malformed VCard attachments that are not properly handled when previewing a message.

10.0 CVSS 2.0 High EPSS 9.7% · top 4.6%
10.0CVSS 2.0 base score
9.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the writeGroup function in nsVCardObj.cpp for Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and Thunderbird before 0.8 allows remote attackers to execute arbitrary code via malformed VCard attachments that are not properly handled when previewing a message.

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

Affected products

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

References

LinkTags
http://bugzilla.mozilla.org/show_bug.cgi?id=257314 Vendor Advisory
http://marc.info/?l=bugtraq&m=109698896104418&w=2
http://marc.info/?l=bugtraq&m=109900315219363&w=2
http://security.gentoo.org/glsa/glsa-200409-26.xml
http://www.kb.cert.org/vuls/id/414240 Third Party AdvisoryUS Government Resource
http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7.3
http://www.novell.com/linux/security/advisories/2004_36_mozilla.html
http://www.securityfocus.com/bid/11174 Vendor Advisory
http://www.us-cert.gov/cas/techalerts/TA04-261A.html US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/17380
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10873
http://bugzilla.mozilla.org/show_bug.cgi?id=257314 Vendor Advisory
http://marc.info/?l=bugtraq&m=109698896104418&w=2
http://marc.info/?l=bugtraq&m=109900315219363&w=2
http://security.gentoo.org/glsa/glsa-200409-26.xml
http://www.kb.cert.org/vuls/id/414240 Third Party AdvisoryUS Government Resource
http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7.3
http://www.novell.com/linux/security/advisories/2004_36_mozilla.html
http://www.securityfocus.com/bid/11174 Vendor Advisory
http://www.us-cert.gov/cas/techalerts/TA04-261A.html US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/17380
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10873

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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-2004-0903), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.