CVE-2012-0789

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-02-14 · updated 2026-06-16
Weakness: CWE-399

Description

Memory leak in the timezone functionality in PHP before 5.3.9 allows remote attackers to cause a denial of service (memory consumption) by triggering many strtotime function calls, which are not properly handled by the php_date_parse_tzfile cache.

Affected products

PHP: through 5.3.8; 5.0.0, 5.0.0-beta1, 5.0.0-beta2, 5.0.0-beta3, 5.0.0-beta4, 5.0.0-rc1 (+38)

References

http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
http://secunia.com/advisories/48668
http://www.php.net/ChangeLog-5.php#5.3.9
https://bugs.php.net/bug.php?id=53502
https://bugzilla.redhat.com/show_bug.cgi?id=783609
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
http://secunia.com/advisories/48668
http://www.php.net/ChangeLog-5.php#5.3.9
https://bugs.php.net/bug.php?id=53502
https://bugzilla.redhat.com/show_bug.cgi?id=783609

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