CVE-2009-2421

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-07-09 · updated 2026-06-16
Weakness: CWE-20

Description

The CFCharacterSetInitInlineBuffer method in CoreFoundation.dll in Apple Safari 3.2.3 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via a "high-bit character" in a URL fragment for an unspecified protocol.

Affected products

Apple Safari: 3.2.3

References

http://www.securityfocus.com/archive/1/504479/100/0/threaded
http://www.securityfocus.com/bid/35481
http://www.securityfocus.com/archive/1/504479/100/0/threaded
http://www.securityfocus.com/bid/35481

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