Is CVE-2009-2044 being actively exploited?

CVE-2009-2044 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-2044?

CVE-2009-2044 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2009-2044

MEDIUM · CVSS 4.3EPSS 5.9%EU EUVD

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.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 5.9% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-2040)
Published: June 12, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-2040 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel
mozilla / firefox

References

http://e-rdc.org/v1/news.php?readmore=137(Exploit)
http://www.securityfocus.com/archive/1/504214(Exploit, Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/35280(Patch, Third Party Advisory, VDB Entry)
https://bugzilla.mozilla.org/show_bug.cgi?id=496265(Issue Tracking)
https://exchange.xforce.ibmcloud.com/vulnerabilities/51037(VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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