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Research > Zero-Day Tracker > 20110217

PHP grapheme_extract() NULL Pointer Dereference

Date Disclosed:
2/17/2011

Date Patched:
3.17.2011

Vendor:
The PHP Group

Affected Software:
PHP 5.3.5

Description:
PHP contains a NULL Pointer Dereference vulnerability when handling calls to the grapheme_extract() function. Successful exploitation yields a denial of service condition.

Severity:
Moderate

Code Execution:
No

Impact:
Denial of service condition, causing the system to become unresponsive or crashing the vulnerable components. This vulnerability may potentially allow for the compromise of the target system.

Mitigation:
A fix has been included in the source repository but has not been applied to the stable release yet.

Protection:

Links:

Status:

  • 2.17.2011 - Public Information Released

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