Description
Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | php5 | 5.3.3-7+squeeze8 | DSA-2408-1 |
Advisories 1
- DSA-2408-1 php5 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://bugs.php.net/52879
- HPSBOV02763 vendor-advisory
- http://www.php.net/ChangeLog-5.php
- oval:org.mitre.oval:def:12528 vdb-entry signature
- php-zendengine-code-execution(65310) vdb-entry
- 45952 vdb-entry