How severe is CVE-2009-2626?

CVE-2009-2626 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2009-2626 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2626?

CVE-2009-2626 primarily affects Php. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2626?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-2626 published?

CVE-2009-2626 was published on 2009-12-01 and last updated on 2026-06-16.

CVE-2009-2626

CVE-2009-2626 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Php
Published: 2009-12-01
Last modified: 2026-06-16

Description

The zend_restore_ini_entry_cb function in zend_ini.c in PHP 5.3.0, 5.2.10, and earlier versions allows context-specific attackers to obtain sensitive information (memory contents) and cause a PHP crash by using the ini_set function to declare a variable, then using the ini_restore function to restore the variable.

Frequently asked questions

What is CVE-2009-2626?: The zend_restore_ini_entry_cb function in zend_ini.c in PHP 5.3.0, 5.2.10, and earlier versions allows context-specific attackers to obtain sensitive information (memory contents) and cause a PHP crash by using the ini_set function to declare a variable, then using the ini_restore function to restore the variable.
How severe is CVE-2009-2626?: CVE-2009-2626 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2009-2626 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2626?: CVE-2009-2626 primarily affects Php. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2626?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2626 published?: CVE-2009-2626 was published on 2009-12-01 and last updated on 2026-06-16.

References

Affected products (110)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:rc1:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0:rc2:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.1:patch1:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.1:patch2:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.3:patch1:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*

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All CVEs affecting Php →

Threat intelligence

Threat-intel indicators referencing this CVE:

82.199.197.245 (ipv4-addr)
58.221.244.34 (ipv4-addr)
222.99.52.202 (ipv4-addr)
90.160.135.217 (ipv4-addr)
76.133.97.153 (ipv4-addr)
223.82.97.51 (ipv4-addr)
183.6.115.88 (ipv4-addr)
62.36.19.42 (ipv4-addr)