How severe is CVE-2010-1915?

CVE-2010-1915 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-1915 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1915?

CVE-2010-1915 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1915?

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

When was CVE-2010-1915 published?

CVE-2010-1915 was published on 2010-05-12 and last updated on 2026-06-16.

CVE-2010-1915

CVE-2010-1915 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Php
Published: 2010-05-12
Last modified: 2026-06-16

Description

The preg_quote function in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature, modification of ZVALs whose values are not updated in the associated local variables, and access of previously-freed memory.

Frequently asked questions

What is CVE-2010-1915?: The preg_quote function in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature, modification of ZVALs whose values are not updated in the associated local variables, and access of previously-freed memory.
How severe is CVE-2010-1915?: CVE-2010-1915 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-1915 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1915?: CVE-2010-1915 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1915?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1915 published?: CVE-2010-1915 was published on 2010-05-12 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

82.199.197.245 (ipv4-addr)
58.221.244.34 (ipv4-addr)
121.164.135.251 (ipv4-addr)
76.133.97.153 (ipv4-addr)
223.82.97.51 (ipv4-addr)
183.6.115.88 (ipv4-addr)
171.100.156.38 (ipv4-addr)
116.232.75.154 (ipv4-addr)