php_zip.c in the zip extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data containing a ZipArchive object.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "5.5.36"
}
],
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-alpha1"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-alpha2"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-alpha3"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-alpha4"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-alpha5"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-beta1"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-beta2"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-beta3"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.0-beta4"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.10"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.11"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.12"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.13"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.14"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.15"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.16"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.17"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.18"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.19"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.1"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.20"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.21"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.22"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.22:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.23"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.23:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.2"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.3"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.4"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
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{
"last_affected": "5.6.5"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.6"
}
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"cpe": "cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.7"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.8"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "5.6.9"
}
],
"cpe": "cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.0"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.1"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.2"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.3"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.4"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.5"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.6"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"last_affected": "7.0.7"
}
],
"cpe": "cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*",
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"fixed": "5.5.37"
},
{
"introduced": "5.6.x"
},
{
"fixed": "5.6.23"
},
{
"introduced": "7.x"
},
{
"fixed": "7.0.8"
}
],
"source": "DESCRIPTION"
}
]
}"2026-05-06T23:15:36Z"
[
{
"signature_version": "v1",
"signature_type": "Line",
"id": "CVE-2016-5773-0450c870",
"target": {
"file": "ext/zip/php_zip.c"
},
"deprecated": false,
"digest": {
"line_hashes": [
"336596916085203698350057541604668175738",
"312605460516307546358655968823750311776",
"202289105112210415793622660399889669894",
"2659789645517324669066205643089415753",
"44597108971789535196204357436920634856",
"23647072536535761014923467067741495308"
],
"threshold": 0.9
},
"source": "https://github.com/php/php-src/commit/f6aef68089221c5ea047d4a74224ee3deead99a6"
},
{
"signature_version": "v1",
"signature_type": "Function",
"id": "CVE-2016-5773-76d74a1e",
"target": {
"function": "PHP_MINIT_FUNCTION",
"file": "ext/zip/php_zip.c"
},
"deprecated": false,
"digest": {
"function_hash": "119329149946522731800414006082504987445",
"length": 3706.0
},
"source": "https://github.com/php/php-src/commit/f6aef68089221c5ea047d4a74224ee3deead99a6"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-5773.json"