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CVE-2017-12932 Details

Description

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://php.net/ChangeLog-7.php	CVE	Release NotesVendor Advisory
https://access.redhat.com/errata/RHSA-2018:1296	CVE
https://access.redhat.com/errata/RHSA-2019:2519	CVE
https://bugs.php.net/bug.php?id=74103	CVE	Issue TrackingVendor Advisory
https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4	CVE	PatchThird Party Advisory
https://security.gentoo.org/glsa/201709-21	CVE
https://security.netapp.com/advisory/ntap-20180112-0001/	CVE
https://www.debian.org/security/2018/dsa-4080	CVE
http://www.securityfocus.com/bid/100427	CVE	Third Party AdvisoryVDB Entry
http://php.net/ChangeLog-7.php	[email protected]	Release NotesVendor Advisory
https://access.redhat.com/errata/RHSA-2018:1296	[email protected]
https://access.redhat.com/errata/RHSA-2019:2519	[email protected]
https://bugs.php.net/bug.php?id=74103	[email protected]	Issue TrackingVendor Advisory
https://github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4	[email protected]	PatchThird Party Advisory
https://security.gentoo.org/glsa/201709-21	[email protected]
https://security.netapp.com/advisory/ntap-20180112-0001/	[email protected]
https://www.debian.org/security/2018/dsa-4080	[email protected]
http://www.securityfocus.com/bid/100427	[email protected]	Third Party AdvisoryVDB Entry

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
php php	7.0.0 7.0.1 7.0.2 7.0.3 7.0.4
CPE cpe:2.3:a:php:php:7.0.0:::::::* cpe:2.3:a:php:php:7.0.1:::::::* cpe:2.3:a:php:php:7.0.2:::::::* cpe:2.3:a:php:php:7.0.3:::::::* cpe:2.3:a:php:php:7.0.4:::::::* cpe:2.3:a:php:php:7.0.5:::::::* cpe:2.3:a:php:php:7.0.6:::::::* cpe:2.3:a:php:php:7.0.7:::::::* cpe:2.3:a:php:php:7.0.8:::::::* cpe:2.3:a:php:php:7.0.9:::::::* cpe:2.3:a:php:php:7.0.10:::::::* cpe:2.3:a:php:php:7.0.11:::::::* cpe:2.3:a:php:php:7.0.12:::::::* cpe:2.3:a:php:php:7.0.13:::::::* cpe:2.3:a:php:php:7.0.14:::::::* cpe:2.3:a:php:php:7.0.15:::::::* cpe:2.3:a:php:php:7.0.16:::::::* cpe:2.3:a:php:php:7.0.17:::::::* cpe:2.3:a:php:php:7.0.18:::::::* cpe:2.3:a:php:php:7.0.19:::::::* cpe:2.3:a:php:php:7.0.20:::::::* cpe:2.3:a:php:php:7.0.21:::::::* cpe:2.3:a:php:php:7.0.22:::::::* cpe:2.3:a:php:php:7.1.0:::::::* cpe:2.3:a:php:php:7.1.1:::::::* cpe:2.3:a:php:php:7.1.2:::::::* cpe:2.3:a:php:php:7.1.3:::::::* cpe:2.3:a:php:php:7.1.4:::::::* cpe:2.3:a:php:php:7.1.5:::::::* cpe:2.3:a:php:php:7.1.6:::::::* cpe:2.3:a:php:php:7.1.7:::::::* cpe:2.3:a:php:php:7.1.8:::::::* Remediation No remediation found in references.

Product

Versions

php php

7.0.0

7.0.1

7.0.2

7.0.3

7.0.4

CPE

cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.15:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.17:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.18:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.19:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.20:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.21:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.0.22:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:7.1.8:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

11 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 19, 2019	CVE Modified	[email protected]
May 4, 2018	CVE Modified	[email protected]
Jan 14, 2018	CVE Modified	[email protected]
Jan 10, 2018	CVE Modified	[email protected]
Sep 26, 2017	CVE Modified	[email protected]
Aug 25, 2017	Initial Analysis	[email protected]
Aug 23, 2017	CVE Modified	[email protected]