VULNERABILITY INTELLIGENCE
CVE-2009-2421
CVSS score5 MEDIUM
EPSS probability2.50%
CISA KEVNot currently listed
Published2009-07-09
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.
Weakness classification
- CWE-20: Improper Input Validation