CVE-2016-9936

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Source
https://nvd.nist.gov/vuln/detail/CVE-2016-9936
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9936.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2016-9936
Downstream
Related
Published
2017-01-04T20:59:00Z
Modified
2025-10-21T04:06:09.999094Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
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.

References

Affected packages

Git / github.com/php/php-src

Affected ranges

Type
GIT
Repo
https://github.com/php/php-src
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b2af4e8868726a040234de113436c6e4f6372d17

Affected versions

Other

NEWS
NEWS-cvs2svn
POST_64BIT_BRANCH_MERGE
POST_AST_MERGE
POST_NATIVE_TLS_MERGE
POST_PHP7_EREG_MYSQL_REMOVALS
POST_PHP7_NSAPI_REMOVAL
POST_PHP7_REMOVALS
POST_PHPNG_MERGE
PRE_64BIT_BRANCH_MERGE
PRE_AST_MERGE
PRE_NATIVE_TLS_MERGE
PRE_PHP7_EREG_MYSQL_REMOVALS
PRE_PHP7_NSAPI_REMOVAL
PRE_PHP7_REMOVALS
PRE_PHPNG_MERGE

php-5.*

php-5.3.23RC1
php-5.3.29
php-5.3.29RC1
php-5.4.30RC1
php-5.4.32RC1
php-5.4.4RC2
php-5.5.24RC1
php-5.6.18RC1
php-5.6.19RC1
php-5.6.22RC1
php-5.6.23RC1
php-5.6.24RC1

php-7.*

php-7.0.11RC1
php-7.0.12RC1
php-7.0.3RC1
php-7.0.4RC1
php-7.0.5RC1
php-7.0.7RC1
php-7.0.8RC1
php-7.0.9RC1

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "id": "CVE-2016-9936-2952288b",
        "source": "https://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17",
        "signature_version": "v1",
        "target": {
            "function": "PHP_FUNCTION",
            "file": "ext/standard/var.c"
        },
        "signature_type": "Function",
        "digest": {
            "function_hash": "163919097064633431796530038461789854321",
            "length": 1359.0
        }
    },
    {
        "deprecated": false,
        "id": "CVE-2016-9936-f3e232d1",
        "source": "https://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17",
        "signature_version": "v1",
        "target": {
            "file": "ext/standard/var.c"
        },
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "133989500739335572472180032269523616631",
                "173228499048002006869839265895117904363",
                "95121896849577457867629478963211194495",
                "254468547754406526900685380808396410134",
                "153463431164748890972706278510094346576",
                "103883253828014354123734651881652682809",
                "238212126955117088207755555621992359151",
                "183778622276609806544846706656325486230",
                "291192368226972925913862946723788043006",
                "22621044917867938151649954650092987150",
                "186110557801505398965595665184621792723",
                "51186678585003836062752315817643824194",
                "228010155175261472109359796944335067227",
                "290710052435613427613634166377691638508",
                "262468581539918285098718900042987560333",
                "185226242802965103332539239777109399071",
                "202958032855601595112416626134764678655",
                "300654735560524647184259634826314879885",
                "87478514085775468505125296944991706113",
                "57831444154340155485902311915043449904",
                "25353185225585869047164964247354820544"
            ],
            "threshold": 0.9
        }
    }
]