CVE-2018-10548

Name: CVE-2018-10548
Creator: NVD / NIST
Published: 2018-04-29T21:29:00.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 8.79%

Last modified Jun 17, 2026

CVE-2018-10548 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.79% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

8.79%

94.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Php	Php	< 5.6.36
Php	Php	>= 7.0.0, < 7.0.30
Php	Php	>= 7.1.0, < 7.1.17
Php	Php	>= 7.2.0, < 7.2.5
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Netapp	Storage Automation Store	All versions

References

http://php.net/ChangeLog-5.phpPatch, Vendor Advisory
http://php.net/ChangeLog-7.phpPatch, Vendor Advisory
http://www.securityfocus.com/bid/104019Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040807Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76248Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00004.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201812-01Third 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-4240Third Party Advisory
https://www.tenable.com/security/tns-2018-12Third Party Advisory
https://www.tenable.com/security/tns-2019-07
http://php.net/ChangeLog-5.phpPatch, Vendor Advisory
http://php.net/ChangeLog-7.phpPatch, Vendor Advisory
http://www.securityfocus.com/bid/104019Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040807Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:2519
https://bugs.php.net/bug.php?id=76248Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00004.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201812-01Third 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-4240Third Party Advisory
https://www.tenable.com/security/tns-2018-12Third Party Advisory
https://www.tenable.com/security/tns-2019-07

Timeline

Published: Apr 29, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-10548?

How severe is CVE-2018-10548?

Severity scoring for CVE-2018-10548 is pending analysis. The EPSS model estimates a 8.79% probability of exploitation in the next 30 days.

How do I fix CVE-2018-10548?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-10548?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST