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Vulnerability record · CVE-2026-7262 · published 10 May 2026

CVE-2026-7262: Php null pointer dereference vulnerability

Php · Php

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a SOAP server has a typemap configured, the decoding process contains a mistake which checks the wrong variable in case of missing value element.  This leads to dereferences a NULL pointer, causing a segmentation fault. This allows a remote unauthenticated attacker to crash the PHP SOAP server process, resulting in denial of service.

2.9 CVSS 4.0 Low EPSS 1.0% · top 37.2% CWE-476 · NULL pointer dereference
2.9CVSS 4.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
11References
24 Jul 2026Last modified by NVD

Description

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a SOAP server has a typemap configured, the decoding process contains a mistake which checks the wrong variable in case of missing value element.  This leads to dereferences a NULL pointer, causing a segmentation fault. This allows a remote unauthenticated attacker to crash the PHP SOAP server process, resulting in denial of service.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/php/php-src/security/advisories/GHSA-hmxp-6pc4-f3vv Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:22142
https://access.redhat.com/errata/RHSA-2026:22143
https://access.redhat.com/errata/RHSA-2026:22305
https://access.redhat.com/errata/RHSA-2026:22649
https://access.redhat.com/errata/RHSA-2026:23388
https://access.redhat.com/errata/RHSA-2026:33449
https://access.redhat.com/errata/RHSA-2026:34354
https://access.redhat.com/security/cve/CVE-2026-7262
https://bugzilla.redhat.com/show_bug.cgi?id=2468565
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7262.json

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-7262), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.