CVE-2009-2421

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.57% Top 20%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/archive/1/504479/100/0/threaded mailing list
http://www.securityfocus.com/bid/35481 vdb entry

Frequently Asked Questions

What is the severity of CVE-2009-2421?
CVE-2009-2421 has been scored as a medium severity vulnerability.
How to fix CVE-2009-2421?
To fix CVE-2009-2421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2421 being actively exploited in the wild?
It is possible that CVE-2009-2421 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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