CVE-2009-2421 Null dereference in n/a
Remote attackers can cause a crash or execute arbitrary code in Apple Safari via a crafted URL fragment, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-2421?
CVE-2009-2421 is a medium-severity vulnerability in Apple Safari, published on 9 Jul 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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: CWE-20
Which versions are affected by CVE-2009-2421?
It affects 1 product.
Products include Apple Safari.
How do I fix CVE-2009-2421?
No fix has been published for CVE-2009-2421 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-2421 being exploited?
There is no known exploitation of CVE-2009-2421 in the wild and no public exploit code.
Other vulnerabilities in Apple Safari
Sources
Also known as GHSA-g7r2-48fm-96cq.