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Vulnerability record · CVE-2017-11143 · published 10 July 2017

CVE-2017-11143: Php use after free vulnerability

Php · Php

In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.

7.5 CVSS 3.0 High EPSS 6.8% · top 6.2% CWE-416 · Use after freeCWE-502 · Deserialization of untrusted data
7.5CVSS 3.0 base score, v2 5.0
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://openwall.com/lists/oss-security/2017/07/10/6 Mailing ListPatchThird Party Advisory
http://php.net/ChangeLog-5.php Release NotesVendor Advisory
http://www.securityfocus.com/bid/99553
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=74145 Issue TrackingPatchVendor Advisory
https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2aae60461c2ff7b7fbcdd194c789ac841d0747d7
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.debian.org/security/2018/dsa-4081
https://www.tenable.com/security/tns-2017-12
http://openwall.com/lists/oss-security/2017/07/10/6 Mailing ListPatchThird Party Advisory
http://php.net/ChangeLog-5.php Release NotesVendor Advisory
http://www.securityfocus.com/bid/99553
https://access.redhat.com/errata/RHSA-2018:1296
https://bugs.php.net/bug.php?id=74145 Issue TrackingPatchVendor Advisory
https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2aae60461c2ff7b7fbcdd194c789ac841d0747d7
https://security.netapp.com/advisory/ntap-20180112-0001/
https://www.debian.org/security/2018/dsa-4081
https://www.tenable.com/security/tns-2017-12

Track CVE-2017-11143 inside VULONE

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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-2017-11143), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.