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core"},{"vendor":"drupal.org","product":"drupal core"}],"references":[{"url":"https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"http://www.securityfocus.com/bid/99211","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"http://www.securitytracker.com/id/1038781","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6920","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6920.yaml","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6920.yaml","tags":["web"]},{"url":"https://www.drupal.org/SA-CORE-2017-003","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9c24-g32g-35rj"},{"url":"https://github.com/drupal/core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2017-6920","description":"Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.","status":"published","published":"2018-08-06T15:00:00Z","modified":"2024-09-16T18:33:33.933Z","updated_at":"2026-11-02T14:33:16.578111Z"}],"euvd":[{"id":"EUVD-2022-3347","description":"Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.","status":"published","published":"2018-08-06T15:00:00Z","modified":"2024-09-16T18:33:33Z","updated_at":"2026-11-03T00:55:31.571078Z"}],"ghsa":[{"id":"GHSA-9c24-g32g-35rj","title":"Drupal PECL YAML parser unsafe object handling","description":"Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.","status":"published","published":"2022-05-14T02:57:07Z","modified":"2024-04-23T17:21:11Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:37:44.335614Z"}],"nvd":[{"id":"CVE-2017-6920","description":"Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.","status":"published","published":"2018-08-06T15:29:00.237Z","modified":"2026-06-17T01:23:20.13Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-19"],"updated_at":"2026-11-02T14:04:18.679411Z"}],"osv":[{"id":"CVE-2017-6920","description":"Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.","status":"published","published":"2018-08-06T15:29:00.237Z","modified":"2026-10-24T10:30:45.529239404Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:06.412595Z"},{"id":"GHSA-9c24-g32g-35rj","title":"Drupal PECL YAML parser unsafe object 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