CVE-2009-0321

Apple Safari 3.2.1 (aka AppVer 3.525.27.1) on Windows allows remote attackers to cause a denial...

4.3 MediumPublic exploit

Apple Safari 3.2.1 (aka AppVer 3.525.27.1) on Windows allows remote attackers to cause a denial of service (infinite loop or access violation) via a link to an http URI in which the authority (aka hostname) portion is either a (1) . (dot) or (2) .. (dot dot) sequence.

Exploit likelihood

2.36%Up 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2009-0321
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-59
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-0321
Updated: 2026-11-02

EUVDEUVD-2009-0325 No score

Record: EUVD-2009-0325
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r82w-5vrw-9x74 No score

Apple Safari 3.2.1 (aka AppVer 3.525.27.1) on Windows allows remote attackers to cause a denial...

Record: GHSA-r82w-5vrw-9x74
Weakness: CWE-59
Updated: 2026-11-02

Affected products

apple safari

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Apple Safari For Windows 3.2.1 - URI Remote Denial of Service	2009-01-27

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-2009-0321 is a medium vulnerability (CVSS 4.3) in Apple Safari, published January 28, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.36%, the 83rd percentile. No source names a fixed version.