CVE-2010-2093

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-05-27 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in the request shutdown functionality in PHP 5.2 before 5.2.13 and 5.3 before 5.3.2 allows context-dependent attackers to cause a denial of service (crash) via a stream context structure that is freed before destruction occurs.

Affected products

PHP: 5.2.0, 5.2.1, 5.2.2, 5.2.3, 5.2.4, 5.2.5 (+9)

References

http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
http://php-security.org/2010/05/12/mops-2010-022-php-stream-context-use-after-free-on-request-shutdown-vulnerability/index.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
http://php-security.org/2010/05/12/mops-2010-022-php-stream-context-use-after-free-on-request-shutdown-vulnerability/index.html

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