CVE-2009-2421: Input Validation
First published: Thu Jul 09 2009(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple Safari | =3.2.3 | |
| Apple Safari | =3.2.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-2421?
CVE-2009-2421 has a moderate severity rating as it can lead to denial of service or potential execution of arbitrary code.
How do I fix CVE-2009-2421?
To fix CVE-2009-2421, users should update to the latest version of Apple Safari that addresses this vulnerability.
What impact does CVE-2009-2421 have on my system?
CVE-2009-2421 can cause a NULL pointer dereference leading to application crashes in Apple Safari.
Which versions of Safari are affected by CVE-2009-2421?
CVE-2009-2421 specifically affects Apple Safari version 3.2.3 on both Windows and Mac platforms.
Can CVE-2009-2421 be exploited remotely?
Yes, CVE-2009-2421 can be exploited remotely by attackers through specially crafted URLs containing high-bit characters.
- collector/nvd-historical
- collector/nvd-index
- agent/references
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/last-modified-date
- agent/severity
- agent/tags
- agent/first-publish-date
- agent/description
- agent/event
- agent/source
- vendor/apple
- canonical/apple safari
- version/apple safari/3.2.3