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Vulnerability record · CVE-2018-10548 · published 29 April 2018

CVE-2018-10548: Php null pointer dereference vulnerability

Php · Php

An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. ext/ldap/ldap.c allows remote LDAP servers to cause a denial of service (NULL pointer dereference and application crash) because of mishandling of the ldap_get_dn return value.

7.5 CVSS 3.0 High EPSS 8.5% · top 5.1% CWE-476 · NULL pointer dereference
7.5CVSS 3.0 base score, v2 5.0
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
30References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. ext/ldap/ldap.c allows remote LDAP servers to cause a denial of service (NULL pointer dereference and application crash) because of mishandling of the ldap_get_dn return value.

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

Affected products

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

References

LinkTags
http://php.net/ChangeLog-5.php PatchVendor Advisory
http://php.net/ChangeLog-7.php PatchVendor Advisory
http://www.securityfocus.com/bid/104019 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040807 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76248 Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201812-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20180607-0003/ Third Party Advisory
https://usn.ubuntu.com/3646-1/ Third Party Advisory
https://usn.ubuntu.com/3646-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4240 Third Party Advisory
https://www.tenable.com/security/tns-2018-12 Third Party Advisory
https://www.tenable.com/security/tns-2019-07
http://php.net/ChangeLog-5.php PatchVendor Advisory
http://php.net/ChangeLog-7.php PatchVendor Advisory
http://www.securityfocus.com/bid/104019 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040807 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76248 Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/201812-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20180607-0003/ Third Party Advisory
https://usn.ubuntu.com/3646-1/ Third Party Advisory
https://usn.ubuntu.com/3646-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4240 Third Party Advisory
https://www.tenable.com/security/tns-2018-12 Third Party Advisory
https://www.tenable.com/security/tns-2019-07

Track CVE-2018-10548 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Source: NIST National Vulnerability Database (record CVE-2018-10548), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.