Critical
Security advisory
The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.29 and 7.x before 7.0.14 allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) or possibly have unspecified other impact via an empty boolean element in a wddxPacket XML document.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-9935
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:12 UTC · Revision 1
Source evidence
The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.29 and 7.x before 7.0.14 allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) or possibly have unspecified other impact via an empty boolean element in a wddxPacket XML document.
osv:CVE-2016-9935
Complete source record
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"id": "cbb5b61c275572ad2dd318a9a35c22a24e1bee821ae17bf2d1675ba8f557e7eb",
"url": "https://osv.dev/vulnerability/CVE-2016-9935",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-9935",
"summary": "The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.29 and 7.x before 7.0.14 allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) or possibly have unspecified other impact via an empty boolean element in a wddxPacket XML document.",
"evidence": "osv:CVE-2016-9935",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2016-9935",
"aliases": [
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],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
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"repo": "https://github.com/php/php-src",
"type": "GIT",
"events": [
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{
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{
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{
"cpe": "cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*",
"range": [
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"introduced": "7.0.3"
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{
"last_affected": "7.0.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*",
"range": [
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"introduced": "7.0.4"
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{
"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"
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{
"last_affected": "7.0.6"
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},
{
"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"
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],
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},
{
"cpe": "cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*",
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{
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],
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{
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"range": [
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{
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],
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{
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"range": [
{
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{
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],
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{
"range": [
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],
"source": "REFERENCES_COMMIT"
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}
],
"versions": [
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"7.0.1",
"7.0.10",
"7.0.11",
"7.0.12",
"7.0.13",
"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-5.6.29RC1",
"php-5.6.28",
"php-5.6.28RC1",
"php-7.0.13",
"php-7.0.13RC1",
"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": {
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"digest": {
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},
"source": "https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2016-9935-de42de9b",
"digest": {
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"function_hash": "333790332470613182653193404017146353480"
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"source": "https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0",
"target": {
"file": "ext/wddx/wddx.c",
"function": "php_wddx_push_element"
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"signature_type": "Function",
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"vanir_signatures_modified": "2026-10-20T13:19:56Z"
}
}
],
"modified": "2026-10-20T13:19:56.306874373Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2018:1296",
"https://bugs.php.net/bug.php?id=73631",
"https://security.gentoo.org/glsa/201702-29",
"https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2016-9935",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387529,
"published_at": "2017-01-04T20:59:00.573+00:00"
}