CVE-2007-1521

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-03-20 · updated 2026-06-16

Description

Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.

Affected products

PHP: through 5.2.1

References

http://docs.info.apple.com/article.html?artnum=306172
http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
http://secunia.com/advisories/24505
http://secunia.com/advisories/25025
http://secunia.com/advisories/25056
http://secunia.com/advisories/25057
http://secunia.com/advisories/25062
http://secunia.com/advisories/25445
http://secunia.com/advisories/26235
http://security.gentoo.org/glsa/glsa-200705-19.xml
http://us2.php.net/releases/4_4_7.php
http://us2.php.net/releases/5_2_2.php

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