CVE-2011-0420 Null dereference in n/a
Attackers can cause a denial of service via a crash in the PHP Intl extension's grapheme_extract function due to a NULL pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-0420?
CVE-2011-0420 is a medium-severity vulnerability in Php Php, published on 18 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.
Which versions are affected by CVE-2011-0420?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2011-0420?
Upgrade to a fixed version.
Is CVE-2011-0420 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-0420 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-78j2-xvgc-hm94.