High
Security advisory
Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-4070
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:18 UTC · Revision 1
Source evidence
Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).
osv:CVE-2016-4070
Complete source record
{
"id": "9eaf3ccef4bda019b692b198c30e87fb9a5f3b9c95b0c0ab1aafacb782882317",
"url": "https://osv.dev/vulnerability/CVE-2016-4070",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-4070",
"summary": "Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says \"Not sure if this qualifies as security issue (probably not).",
"evidence": "osv:CVE-2016-4070",
"products": [],
"severity": "high",
"structured": {
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"aliases": [
"CVE-2016-4070"
],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
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{
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{
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{
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{
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{
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{
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}
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{
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{
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{
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{
"cpe": "cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*",
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{
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{
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"versions": [
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"5.6.0-alpha2",
"5.6.0-alpha3",
"5.6.0-beta1",
"5.6.0-beta2",
"5.6.0-beta3",
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"7.0.2",
"7.0.3",
"7.0.4",
"php-5.5.33",
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"POST_PHP7_NSAPI_REMOVAL",
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"POST_AST_MERGE",
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"POST_64BIT_BRANCH_MERGE",
"PRE_64BIT_BRANCH_MERGE",
"POST_PHPNG_MERGE"
],
"database_specific": {
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}
],
"modified": "2026-10-24T10:30:16.849115227Z",
"provider": "osv",
"references": [
"https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=95433e8e339dbb6b5d5541473c1661db6ba2c451",
"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731",
"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149",
"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722",
"https://support.apple.com/HT206567",
"https://bugs.php.net/bug.php?id=71798"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*",
"cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*"
],
"vendor_product": "php:php",
"extracted_events": [
{
"range": [
{
"introduced": "5.6.0-alpha4"
},
{
"last_affected": "5.6.0-alpha4"
},
{
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},
{
"last_affected": "5.6.0-alpha5"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-4070",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429429,
"published_at": "2016-05-20T11:00:14.473+00:00"
}