High
Security advisory
Integer overflow in the php_stream_zip_opener function in ext/zip/zip_stream.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted zip:// URL.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-6297
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:58 UTC · Revision 1
Source evidence
Integer overflow in the php_stream_zip_opener function in ext/zip/zip_stream.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted zip:// URL.
osv:CVE-2016-6297
Complete source record
{
"id": "9a747a73c87f1f22a4c4c80773dbcab2543019b9983667e1a8aeb27aed5b4c94",
"url": "https://osv.dev/vulnerability/CVE-2016-6297",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-6297",
"summary": "Integer overflow in the php_stream_zip_opener function in ext/zip/zip_stream.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted zip:// URL.",
"evidence": "osv:CVE-2016-6297",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-6297",
"aliases": [
"CVE-2016-6297"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
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"type": "GIT",
"events": [
{
"introduced": "0"
},
{
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},
{
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},
{
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}
],
"database_specific": {
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{
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{
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],
"source": "CPE_RANGE"
},
{
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{
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],
"source": "CPE_STRING"
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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:5.6.1:*:*:*:*:*:*:*",
"range": [
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"introduced": "5.6.1"
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{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.2"
},
{
"last_affected": "5.6.2"
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.3"
},
{
"last_affected": "5.6.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*",
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{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.5"
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{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*",
"range": [
{
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{
"last_affected": "5.6.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*",
"range": [
{
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{
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],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*",
"range": [
{
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{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*",
"range": [
{
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},
{
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*",
"range": [
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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:5.6.13:*:*:*:*:*:*:*",
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{
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}
],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.14"
},
{
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}
],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*",
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},
{
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}
],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.16"
},
{
"last_affected": "5.6.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.17"
},
{
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}
],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*",
"range": [
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{
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}
],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.19"
},
{
"last_affected": "5.6.19"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.20"
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{
"last_affected": "5.6.20"
}
],
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},
{
"cpe": "cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:*",
"range": [
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"introduced": "5.6.21"
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{
"last_affected": "5.6.21"
}
],
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{
"cpe": "cpe:2.3:a:php:php:5.6.22:*:*:*:*:*:*:*",
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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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],
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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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"last_affected": "7.0.8"
}
],
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}
]
}
}
],
"versions": [
"5.6.0-alpha1",
"5.6.0-alpha2",
"5.6.0-alpha3",
"5.6.0-beta1",
"5.6.0-beta2",
"5.6.0-beta3",
"5.6.0-beta4",
"5.6.1",
"5.6.10",
"5.6.11",
"5.6.12",
"5.6.13",
"5.6.14",
"5.6.15",
"5.6.16",
"5.6.17",
"5.6.18",
"5.6.19",
"5.6.2",
"5.6.20",
"5.6.21",
"5.6.22",
"5.6.23",
"5.6.3",
"5.6.4",
"5.6.5",
"5.6.6",
"5.6.7",
"5.6.8",
"5.6.9",
"7.0.0",
"7.0.1",
"7.0.2",
"7.0.3",
"7.0.4",
"7.0.5",
"7.0.6",
"7.0.7",
"7.0.8",
"php-7.0.8",
"php-5.5.37",
"php-7.0.8RC1",
"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-2016-6297.json"
}
}
],
"modified": "2026-10-24T10:30:47.161737542Z",
"provider": "osv",
"references": [
"https://support.apple.com/HT207170",
"https://security.gentoo.org/glsa/201611-22",
"https://bugs.php.net/72520"
],
"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"
},
{
"introduced": "5.6.0-alpha5"
},
{
"last_affected": "5.6.0-alpha5"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-6297",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436478,
"published_at": "2016-07-25T14:59:11.467+00:00"
}