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Vulnerability record · CVE-2009-2044 · published 12 June 2009

CVE-2009-2044: Mozilla firefox improper input validation vulnerability

Mozilla · Firefox

Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large GIF image in the BACKGROUND attribute of a BODY element.

4.3 CVSS 2.0 Medium EPSS 5.9% · top 7.0% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large GIF image in the BACKGROUND attribute of a BODY element.

AV:N/AC:M/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://e-rdc.org/v1/news.php?readmore=137 Exploit
http://www.securityfocus.com/archive/1/504214 ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/35280 PatchThird Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=496265 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/51037 VDB Entry
http://e-rdc.org/v1/news.php?readmore=137 Exploit
http://www.securityfocus.com/archive/1/504214 ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/35280 PatchThird Party AdvisoryVDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=496265 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/51037 VDB Entry

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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-2009-2044), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.