Is CVE-2007-1286 actively exploited?

CVE-2007-1286 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2007-1286?

CVE-2007-1286 has a CVSS score of 6.8 (UNKNOWN severity). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P.

How do I patch CVE-2007-1286?

Patch guidance is available from php security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2007-1286.

CVE-2007-1286 - remediation guidance & executive summary

Description

Integer overflow in PHP 4.4.4 and earlier allows remote context-dependent attackers to execute arbitrary code via a long string to the unserialize function, which triggers the overflow in the ZVAL reference counter.

CVSS Metrics

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector: network
Access Cmplx: medium
Auth: none
Confidentiality: partial
Integrity: partial
Availability: partial
Weaknesses: NVD-CWE-Other

Metadata

Primary Vendor: PHP
Published: 3/6/2007
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2007-1286

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary