CVE-2009-1827

The SVG component in Mozilla Firefox 3.0.4 allows remote attackers to cause a denial of service ...

5.0 MediumPublic exploit

The SVG component in Mozilla Firefox 3.0.4 allows remote attackers to cause a denial of service (application hang) via a large value in the r (aka Radius) attribute of a circle element, related to an "unclamped loop."

Exploit likelihood

3.94%Down 7.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2009-1827
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-1827
Updated: 2026-11-02

EUVDEUVD-2009-1822 No score

Record: EUVD-2009-1822
Updated: 2026-11-03

GitHub AdvisoriesGHSA-78p9-f5p7-3p6q No score

The SVG component in Mozilla Firefox 3.0.4 allows remote attackers to cause a denial of service ...

Record: GHSA-78p9-f5p7-3p6q
Updated: 2026-11-02

Affected products

mozilla firefox

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Mozilla Firefox - unclamped loop Denial of Service	2009-05-26

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1827 is a medium vulnerability (CVSS 5.0) in Mozilla Firefox, published May 29, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.94%, the 90th percentile. No source names a fixed version.

References

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