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Vulnerability record · CVE-2009-2478 · published 16 July 2009

CVE-2009-2478: Mozilla firefox vulnerability

Mozilla · Firefox

Mozilla Firefox 3.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via unspecified vectors, related to a "flash bug."

5.0 CVSS 2.0 Medium EPSS 7.8% · top 5.5% CWE-189 · CWE-189
5.0CVSS 2.0 base score
7.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Mozilla Firefox 3.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via unspecified vectors, related to a "flash bug."

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
https://bugzilla.mozilla.org/show_bug.cgi?id=502648
https://bugzilla.mozilla.org/show_bug.cgi?id=503286 Exploit
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00909.html
https://bugzilla.mozilla.org/show_bug.cgi?id=502648
https://bugzilla.mozilla.org/show_bug.cgi?id=503286 Exploit
https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00909.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-2009-2478), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.