CVE-2012-0789

5.0 MEDIUM 8% exploit odds No fix listed Denial of service Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 8.0% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2012-02-14 15:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:38 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 8.0% in the next 30 days (EPSS).
Severity: 5.0 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2012-02-14 15:55 UTC
Last modified: 2026-06-16 23:38 UTC
Exploit probability: 8.0% · EPSS, next 30 days
Weakness: CWE-399
Record status: Modified

Affected

PHP ≤ 5.3.8
PHP 5.0.0
PHP 5.0.1
PHP 5.0.2
PHP 5.0.3
PHP 5.0.4
PHP 5.0.5
PHP 5.1.1

Attack profile CVSS 2.0 · 5.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Is it in your code?

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References

NVD record · CVE.org record