CVE-2018-10548

Publication date 29 April 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
php5	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 5.5.9+dfsg-1ubuntu4.25
php7.0	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Fixed 7.0.30-0ubuntu0.16.04.1
	14.04 LTS trusty	Not in release
php7.1	18.04 LTS bionic	Not in release
	17.10 artful	Fixed 7.1.17-0ubuntu0.17.10.1
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
php7.2	18.04 LTS bionic	Fixed 7.2.5-0ubuntu0.18.04.1
	17.10 artful	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Notes

sbeattie

PEAR issues should go against php-pear as of xenial

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
php5	Upstream: 49782c5

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-3646-1
PHP vulnerabilities
14 May 2018

USN-3646-2
PHP vulnerabilities
16 May 2018