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

{
  "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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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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