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Vulnerability record · CVE-2009-3382 · published 29 October 2009

CVE-2009-3382: Mozilla firefox vulnerability

Mozilla · Firefox

layout/base/nsCSSFrameConstructor.cpp in the browser engine in Mozilla Firefox 3.0.x before 3.0.15 does not properly handle first-letter frames, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

10.0 CVSS 2.0 High EPSS 11% · top 4.3%
10.0CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

layout/base/nsCSSFrameConstructor.cpp in the browser engine in Mozilla Firefox 3.0.x before 3.0.15 does not properly handle first-letter frames, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

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

Affected products

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

References

LinkTags
http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1
http://www.mozilla.org/security/announce/2009/mfsa2009-64.html PatchVendor Advisory
http://www.vupen.com/english/advisories/2009/3334
https://bugzilla.mozilla.org/show_bug.cgi?id=514960
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11219
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5581
http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1
http://www.mozilla.org/security/announce/2009/mfsa2009-64.html PatchVendor Advisory
http://www.vupen.com/english/advisories/2009/3334
https://bugzilla.mozilla.org/show_bug.cgi?id=514960
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11219
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5581

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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-2009-3382), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.