ubuntu-cve-2016-9936
Vulnerability from osv_ubuntu
Published
2017-01-04 00:00
Modified
2026-04-22 07:38
Summary
Details
The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.
Severity
9.8 (Critical)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libapache2-mod-php7.0",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "libphp7.0-embed",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-bcmath",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-bz2",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-cgi",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-cli",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-common",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-curl",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-dba",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-enchant",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-fpm",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-gd",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-gmp",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-imap",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-interbase",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-intl",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-json",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-ldap",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-mbstring",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-mcrypt",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-mysql",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-odbc",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-opcache",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-pgsql",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-phpdbg",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-pspell",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-readline",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-recode",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-snmp",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-soap",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-sqlite3",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-sybase",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-tidy",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-xml",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-xmlrpc",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-xsl",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
},
{
"binary_name": "php7.0-zip",
"binary_version": "7.0.15-0ubuntu0.16.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "php7.0",
"purl": "pkg:deb/ubuntu/php7.0@7.0.15-0ubuntu0.16.04.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "7.0.15-0ubuntu0.16.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"7.0.1-5",
"7.0.1-6",
"7.0.2-1",
"7.0.2-3",
"7.0.2-4",
"7.0.2-5",
"7.0.3-2",
"7.0.3-3",
"7.0.3-9ubuntu1",
"7.0.4-5ubuntu1",
"7.0.4-5ubuntu2",
"7.0.4-7ubuntu1",
"7.0.4-7ubuntu2",
"7.0.4-7ubuntu2.1",
"7.0.8-0ubuntu0.16.04.1",
"7.0.8-0ubuntu0.16.04.2",
"7.0.8-0ubuntu0.16.04.3",
"7.0.13-0ubuntu0.16.04.1",
"7.0.15-0ubuntu0.16.04.1"
]
}
],
"aliases": [],
"details": "The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted serialized data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6834.",
"id": "UBUNTU-CVE-2016-9936",
"modified": "2026-04-22T07:38:05Z",
"published": "2017-01-04T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-9936"
},
{
"type": "REPORT",
"url": "http://www.openwall.com/lists/oss-security/2016/12/12/2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3211-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-9936"
}
],
"related": [
"USN-3211-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2016-9936"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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