How severe is CVE-2006-3018?

CVE-2006-3018 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-3018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3018?

CVE-2006-3018 affects Php Group Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-3018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-3018 published?

CVE-2006-3018 was published on 2006-06-14 and last updated on 2026-06-16.

CVE-2006-3018

CVE-2006-3018 is a high-severity vulnerability in Php Group Php with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Php Group Php
Published: 2006-06-14
Last modified: 2026-06-16

Description

Unspecified vulnerability in the session extension functionality in PHP before 5.1.3 has unknown impact and attack vectors related to heap corruption.

Frequently asked questions

What is CVE-2006-3018?: Unspecified vulnerability in the session extension functionality in PHP before 5.1.3 has unknown impact and attack vectors related to heap corruption.
How severe is CVE-2006-3018?: CVE-2006-3018 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-3018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3018?: CVE-2006-3018 affects Php Group Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-3018 published?: CVE-2006-3018 was published on 2006-06-14 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:php_group:php:*:*:*:*:*:*:*:*

More vulnerabilities in Php Group Php

CVE-2006-3016 — Critical (CVSS 9.3): Unspecified vulnerability in session.c in PHP before 5.1.3 has unknown impact and attack vectors, related to "certain…
CVE-2006-7205 — Medium (CVSS 5.0): The array_fill function in ext/standard/array.c in PHP 4.4.2 and 5.1.2 allows context-dependent attackers to cause a…

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