{"id":"CVE-2017-12933","details":"The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.","modified":"2026-07-08T12:05:15.268025Z","published":"2017-08-18T03:29:00.230Z","related":["SUSE-SU-2017:2468-1","SUSE-SU-2017:2518-1","SUSE-SU-2017:2522-1"],"references":[{"type":"WEB","url":"https://usn.ubuntu.com/3566-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3566-2/"},{"type":"ADVISORY","url":"http://php.net/ChangeLog-5.php"},{"type":"ADVISORY","url":"http://php.net/ChangeLog-7.php"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/99490"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:1296"},{"type":"ADVISORY","url":"https://bugs.php.net/bug.php?id=74111"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4080"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4081"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/php/php-src","events":[{"introduced":"0"},{"last_affected":"195427c55481d9913ac9dd3fbcedf2f7c637e6de"},{"introduced":"60fffd296abce5fc071f3c173c25a2696cf683c6"},{"last_affected":"5b34dc2d52841bfab425cbb24e9111172de20ef9"}],"database_specific":{"cpe":["cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","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:7.1.0:*:*:*:*:*:*:*","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:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0"},{"last_affected":"5.6.30"},{"introduced":"7.0.0"},{"last_affected":"7.0.0"},{"introduced":"7.0.1"},{"last_affected":"7.0.1"},{"introduced":"7.0.2"},{"last_affected":"7.0.2"},{"introduced":"7.0.3"},{"last_affected":"7.0.3"},{"introduced":"7.0.4"},{"last_affected":"7.0.4"},{"introduced":"7.0.5"},{"last_affected":"7.0.5"},{"introduced":"7.0.6"},{"last_affected":"7.0.6"},{"introduced":"7.0.7"},{"last_affected":"7.0.7"},{"introduced":"7.0.8"},{"last_affected":"7.0.8"},{"introduced":"7.0.9"},{"last_affected":"7.0.9"},{"introduced":"7.0.10"},{"last_affected":"7.0.10"},{"introduced":"7.0.11"},{"last_affected":"7.0.11"},{"introduced":"7.0.12"},{"last_affected":"7.0.12"},{"introduced":"7.0.13"},{"last_affected":"7.0.13"},{"introduced":"7.0.14"},{"last_affected":"7.0.14"},{"introduced":"7.0.15"},{"last_affected":"7.0.15"},{"introduced":"7.0.16"},{"last_affected":"7.0.16"},{"introduced":"7.0.17"},{"last_affected":"7.0.17"},{"introduced":"7.0.18"},{"last_affected":"7.0.18"},{"introduced":"7.0.19"},{"last_affected":"7.0.19"},{"introduced":"7.0.20"},{"last_affected":"7.0.20"},{"introduced":"7.1.0"},{"last_affected":"7.1.0"},{"introduced":"7.1.1"},{"last_affected":"7.1.1"},{"introduced":"7.1.2"},{"last_affected":"7.1.2"},{"introduced":"7.1.3"},{"last_affected":"7.1.3"},{"introduced":"7.1.4"},{"last_affected":"7.1.4"},{"introduced":"7.1.5"},{"last_affected":"7.1.5"},{"introduced":"7.1.6"},{"last_affected":"7.1.6"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["7.0.0","7.0.1","7.0.10","7.0.11","7.0.12","7.0.13","7.0.14","7.0.15","7.0.16","7.0.17","7.0.18","7.0.19","7.0.2","7.0.20","7.0.3","7.0.4","7.0.5","7.0.6","7.0.7","7.0.8","7.0.9","7.1.0","7.1.1","7.1.2","7.1.3","7.1.4","7.1.5","7.1.6","php-7.1.6","php-7.1.6RC1","php-5.6.30","php-5.6.30RC1","POST_PHP7_NSAPI_REMOVAL","PRE_PHP7_NSAPI_REMOVAL","PRE_PHP7_EREG_MYSQL_REMOVALS","PRE_PHP7_REMOVALS","POST_PHP7_REMOVALS","POST_AST_MERGE","PRE_AST_MERGE","POST_64BIT_BRANCH_MERGE","PRE_64BIT_BRANCH_MERGE","POST_PHPNG_MERGE"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12933.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}