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Vulnerability record · CVE-2008-4324 · published 29 September 2008

CVE-2008-4324: Mozilla firefox vulnerability

Mozilla · Firefox

The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.

5.0 CVSS 2.0 Medium EPSS 8.9% · top 4.9% CWE-399 · CWE-399
5.0CVSS 2.0 base score
8.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.

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

Affected products

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

References

LinkTags
http://evilfingers.com/advisory/Firefox_User_Interface_Null_Pointer_Dereference_Dispatcher_Crash_n_Remote_DoS.php
http://secunia.com/advisories/32040 Vendor Advisory
http://securityreason.com/securityalert/4321 Exploit
http://www.secniche.org/moz303.html
http://www.secniche.org/moz303/index.html Exploit
http://www.securityfocus.com/archive/1/496807/100/0/threaded
http://www.securityfocus.com/archive/1/496846/100/0/threaded
http://www.securityfocus.com/bid/31476 Exploit
https://www.exploit-db.com/exploits/6614
http://evilfingers.com/advisory/Firefox_User_Interface_Null_Pointer_Dereference_Dispatcher_Crash_n_Remote_DoS.php
http://secunia.com/advisories/32040 Vendor Advisory
http://securityreason.com/securityalert/4321 Exploit
http://www.secniche.org/moz303.html
http://www.secniche.org/moz303/index.html Exploit
http://www.securityfocus.com/archive/1/496807/100/0/threaded
http://www.securityfocus.com/archive/1/496846/100/0/threaded
http://www.securityfocus.com/bid/31476 Exploit
https://www.exploit-db.com/exploits/6614

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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-2008-4324), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.