Critical severity9.8NVD Advisory· Published Aug 18, 2017· Updated May 13, 2026
CVE-2017-12932
CVE-2017-12932
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.
Affected products
32cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*+ 31 more
- 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:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
9- github.com/php/php-src/commit/1a23ebc1fff59bf480ca92963b36eba5c1b904c4nvdPatchThird Party Advisory
- php.net/ChangeLog-7.phpnvdRelease NotesVendor Advisory
- www.securityfocus.com/bid/100427nvdThird Party AdvisoryVDB Entry
- bugs.php.net/bug.phpnvdIssue TrackingVendor Advisory
- access.redhat.com/errata/RHSA-2018:1296nvd
- access.redhat.com/errata/RHSA-2019:2519nvd
- security.gentoo.org/glsa/201709-21nvd
- security.netapp.com/advisory/ntap-20180112-0001/nvd
- www.debian.org/security/2018/dsa-4080nvd
News mentions
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