High
Security advisory
ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-9934
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:11 UTC · Revision 1
Source evidence
ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.
osv:CVE-2016-9934
Complete source record
{
"id": "1f8d98245a8de30e8f24295b1e3e43ad3ca190683c1b74a63ab93e8700bf6ce1",
"url": "https://osv.dev/vulnerability/CVE-2016-9934",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-9934",
"summary": "ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.",
"evidence": "osv:CVE-2016-9934",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-9934",
"aliases": [
"CVE-2016-9934"
],
"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"
},
{
"last_affected": "e42bdcb7aa74c7846b984ef25462780ed135103f"
},
{
"introduced": "60fffd296abce5fc071f3c173c25a2696cf683c6"
},
{
"last_affected": "140e2adb5ab8a5ed0624366c0416f07b8aa17254"
},
{
"fixed": "6045de69c7dedcba3eadf7c4bba424b19c81d00d"
}
],
"database_specific": {
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{
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "5.6.27"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.1"
},
{
"last_affected": "7.0.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.2"
},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.3"
},
{
"last_affected": "7.0.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.4"
},
{
"last_affected": "7.0.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.5"
},
{
"last_affected": "7.0.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.6"
},
{
"last_affected": "7.0.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.7"
},
{
"last_affected": "7.0.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.8"
},
{
"last_affected": "7.0.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.9"
},
{
"last_affected": "7.0.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.10"
},
{
"last_affected": "7.0.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.11"
},
{
"last_affected": "7.0.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.12"
},
{
"last_affected": "7.0.12"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "6045de69c7dedcba3eadf7c4bba424b19c81d00d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
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"7.0.1",
"7.0.10",
"7.0.11",
"7.0.12",
"7.0.2",
"7.0.3",
"7.0.4",
"7.0.5",
"7.0.6",
"7.0.7",
"7.0.8",
"7.0.9",
"php-5.6.27",
"php-7.0.12",
"php-5.6.27RC1",
"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-2016-9934.json",
"vanir_signatures": [
{
"id": "CVE-2016-9934-3292b46b",
"digest": {
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"function_hash": "203489910867239056038489819079714958820"
},
"source": "https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d",
"target": {
"file": "ext/wddx/wddx.c",
"function": "php_wddx_serialize_object"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2016-9934-90e75d8d",
"digest": {
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"function_hash": "38084760367901890888276112576541338026"
},
"source": "https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d",
"target": {
"file": "ext/wddx/wddx.c",
"function": "php_wddx_pop_element"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2016-9934-d78b9641",
"digest": {
"threshold": 0.9,
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"source": "https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2016-9934-eb87dd86",
"digest": {
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"source": "https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
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},
{
"id": "CVE-2016-9934-f5f6b535",
"digest": {
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"function_hash": "279759402274865172055824071760829427798"
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"source": "https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d",
"target": {
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"function": "pdo_stmt_init"
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],
"vanir_signatures_modified": "2026-10-20T13:19:00Z"
}
}
],
"modified": "2026-10-20T13:19:00.817194992Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2018:1296",
"https://bugs.php.net/bug.php?id=73331",
"https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2016-9934",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387488,
"published_at": "2017-01-04T20:59:00.527+00:00"
}