High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-10548
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:34 UTC · Revision 1
Source evidence
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.
osv:CVE-2018-10548
Complete source record
{
"id": "0cf4a9bba86b9a824b1f8be3a4b3482da314227fce3498af10b6e1a7d3121058",
"url": "https://osv.dev/vulnerability/CVE-2018-10548",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-10548",
"summary": "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.",
"evidence": "osv:CVE-2018-10548",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-10548",
"aliases": [
"CVE-2018-10548"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/php/php-src",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "405e6b5c683c733043d16fee98d97d1596ccfb8f"
},
{
"introduced": "60fffd296abce5fc071f3c173c25a2696cf683c6"
},
{
"fixed": "3d5d1e569e8c35fb600801d96fb66a3458808381"
},
{
"introduced": "0221e9f827632942225586687a33cfd554860d5e"
},
{
"fixed": "0f3897573515b7aca3e5425d77baee14fe33edd4"
},
{
"introduced": "8148cbb78841c8ec0759c0836e7f35dec799d300"
},
{
"fixed": "ba2fe0c96bee278ed1b1b715b52b70a316135995"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "5.6.36"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.0.30"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.1.0"
},
{
"fixed": "7.1.17"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.2.0"
},
{
"fixed": "7.2.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"php-7.1.17RC1",
"POST_PHP7_NSAPI_REMOVAL",
"PRE_PHP7_NSAPI_REMOVAL",
"PRE_PHP7_EREG_MYSQL_REMOVALS",
"PRE_PHP7_REMOVALS",
"POST_PHP7_REMOVALS",
"POST_AST_MERGE",
"PRE_AST_MERGE",
"POST_64BIT_BRANCH_MERGE",
"PRE_64BIT_BRANCH_MERGE",
"POST_PHPNG_MERGE"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-10548.json"
}
}
],
"modified": "2026-10-24T10:30:30.549793085Z",
"provider": "osv",
"references": [
"https://www.tenable.com/security/tns-2019-07",
"https://access.redhat.com/errata/RHSA-2019:2519",
"https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html",
"https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html",
"https://security.gentoo.org/glsa/201812-01",
"https://security.netapp.com/advisory/ntap-20180607-0003/",
"https://usn.ubuntu.com/3646-1/",
"https://usn.ubuntu.com/3646-2/",
"https://www.debian.org/security/2018/dsa-4240",
"https://www.tenable.com/security/tns-2018-12",
"https://bugs.php.net/bug.php?id=76248"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "17.10"
},
{
"last_affected": "17.10"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
},
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-10548",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432598,
"published_at": "2018-04-29T21:29:00.463+00:00"
}