{"id":"CVE-2024-55638","aliases":["BIT-drupal-2024-55638","CLSA-2026-1776214337","CLSA-2026-1784682869","DRUPAL-CORE-2024-008","EUVD-2024-3473","GHSA-6ccv-8fgf-cjpw","GHSA-gvf2-2f4g-jqf4","UBUNTU-CVE-2024-55638"],"status":"published","title":"Drupal core - Moderately critical - Gadget chain - SA-CORE-2024-008","description":"Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9.\n\nDrupal core contains a chain of methods that is exploitable when an insecure deserialization vulnerability exists on the site. This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00983,"percentile":0.62758,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502","CWE-915"],"published":"2024-02-12T22:31:34Z","modified":"2026-10-28T02:30:27Z","fixes":[{"ecosystem":"Packagist","package":"drupal/core","fixed_in":["10.1.8","10.2.2","10.2.11","10.3.9","7.102"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"drupal/core-recommended","fixed_in":["10.2.11","10.3.9","7.102"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"drupal/drupal","fixed_in":["10.2.11","10.3.9","7.102"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"drupal","fixed_in":["10.3.9"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"10.1.8"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.2.0"},{"fixed":"10.2.2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"10.2.11"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.3.0"},{"fixed":"10.3.9"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0"},{"fixed":"7.102"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core-recommended","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"10.2.11"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core-recommended","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.3.0"},{"fixed":"10.3.9"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/core-recommended","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0"},{"fixed":"7.102"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.8.0"},{"fixed":"10.2.11"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.3.0"},{"fixed":"10.3.9"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"drupal/drupal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0"},{"fixed":"7.102"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"drupal","ranges":[{"type":"SEMVER","events":[{"introduced":"7.0.0"},{"fixed":"10.3.9"}]}]},{"source":"osv","ecosystem":"TuxCare:Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.5.11"},{"fixed":"9.5.11-p1+tuxcare"}]}],"versions":["9.5.11"],"bundled":10},{"source":"osv","ecosystem":"TuxCare:Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.9.20"},{"fixed":"8.9.20-p1+tuxcare"}]}],"versions":["8.9.20"],"bundled":20},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"10.2.11"}]},{"type":"ECOSYSTEM","events":[{"introduced":"10.3.0"},{"fixed":"10.3.9"}]}],"versions":["10.0.0","10.0.0-alpha1","10.0.0-alpha2","10.0.0-alpha3","10.0.0-alpha4","10.0.0-alpha5","10.0.0-alpha6","10.0.0-alpha7","10.0.0-beta1","10.0.0-beta2","10.0.0-rc1","10.0.0-rc2","10.0.0-rc3","10.0.1","10.0.10","10.0.11","10.0.2","10.0.3","10.0.4","10.0.5","10.0.6","10.0.7","10.0.8","10.0.9","10.1.0","10.1.0-alpha1","10.1.0-beta1","10.1.0-rc1","10.1.1","10.1.2","10.1.3","10.1.4","10.1.5","10.1.6","10.1.7","10.1.8","10.2.0","10.2.0-alpha1","10.2.0-beta1","10.2.0-rc1","10.2.1","10.2.10","10.2.2","10.2.3","10.2.4","10.2.5","10.2.6","10.2.7","10.2.8","10.2.9","10.3.0","10.3.1","10.3.2","10.3.3","10.3.4","10.3.5","10.3.6","10.3.7","10.3.8","8.0.0","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6","8.1.0","8.1.0-beta1","8.1.0-beta2","8.1.0-rc1","8.1.1","8.1.10","8.1.2","8.1.3","8.1.4","8.1.5","8.1.6","8.1.7","8.1.8","8.1.9","8.2.0","8.2.0-beta1","8.2.0-beta2","8.2.0-beta3","8.2.0-rc1","8.2.0-rc2","8.2.1","8.2.2","8.2.3","8.2.4","8.2.5","8.2.6","8.2.7","8.2.8","8.3.0","8.3.0-alpha1","8.3.0-beta1","8.3.0-rc1","8.3.0-rc2","8.3.1","8.3.2","8.3.3","8.3.4","8.3.5","8.3.6","8.3.7","8.3.8","8.3.9","8.4.0","8.4.0-alpha1","8.4.0-beta1","8.4.0-rc1","8.4.0-rc2","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.4.6","8.4.7","8.4.8","8.5.0","8.5.0-alpha1","8.5.0-beta1","8.5.0-rc1","8.5.1","8.5.10","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.2","8.5.3","8.5.4","8.5.5","8.5.6","8.5.7","8.5.8","8.5.9","8.6.0","8.6.0-alpha1","8.6.0-beta1","8.6.0-beta2","8.6.0-rc1","8.6.1","8.6.10","8.6.11","8.6.12","8.6.13","8.6.14","8.6.15","8.6.16","8.6.17","8.6.18","8.6.2","8.6.3","8.6.4","8.6.5","8.6.6","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This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.","status":"published","published":"2024-12-09T23:26:30.78Z","modified":"2024-12-16T17:11:20.896Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T14:34:22.153872Z"}],"euvd":[{"id":"EUVD-2024-3473","description":"Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9.\n\nDrupal core contains a chain of methods that is exploitable when an insecure deserialization vulnerability exists on the site. This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.","status":"published","published":"2024-12-09T23:26:30Z","modified":"2024-12-16T17:11:20Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:35.014369Z"}],"ghsa":[{"id":"GHSA-gvf2-2f4g-jqf4","title":"Drupal core contains a potential PHP Object Injection vulnerability","description":"Drupal core contains a potential PHP Object Injection vulnerability that (if combined with another exploit) could lead to Remote Code Execution. It is not directly exploitable.\n\nThis issue is mitigated by the fact that in order for it to be exploitable, a separate vulnerability must be present to allow an attacker to pass unsafe input to `unserialize()`. There are no such known exploits in Drupal core.\n\nTo help protect against this potential vulnerability, some additional checks have been added to Drupal core's database code. If you use a third-party database driver, check the release notes for additional configuration steps that may be required in certain cases. \n\nThis issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9.","status":"published","published":"2024-12-10T00:31:27Z","modified":"2025-06-04T00:50:22Z","cvss":[{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502","CWE-915"],"updated_at":"2026-11-02T14:38:45.948817Z"},{"id":"GHSA-6ccv-8fgf-cjpw","title":"Drupal core Denial of Service vulnerability","description":"The Comment module allows users to reply to comments. 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This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.","status":"published","published":"2024-12-09T23:26:30.78Z","modified":"2026-10-28T02:30:27.294683249Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T15:44:44.777182Z"},{"id":"GHSA-gvf2-2f4g-jqf4","title":"Drupal core contains a potential PHP Object Injection vulnerability","description":"Drupal core contains a potential PHP Object Injection vulnerability that (if combined with another exploit) could lead to Remote Code Execution. It is not directly exploitable.\n\nThis issue is mitigated by the fact that in order for it to be exploitable, a separate vulnerability must be present to allow an attacker to pass unsafe input to `unserialize()`. There are no such known exploits in Drupal core.\n\nTo help protect against this potential vulnerability, some additional checks have been added to Drupal core's database code. If you use a third-party database driver, check the release notes for additional configuration steps that may be required in certain cases. \n\nThis issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9.","status":"published","published":"2024-12-10T00:31:27Z","modified":"2025-12-10T23:41:03.440447Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":7.5,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-502","CWE-915"],"updated_at":"2026-11-02T15:46:48.191583Z"},{"id":"UBUNTU-CVE-2024-55638","description":"Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9. Drupal core contains a chain of methods that is exploitable when an insecure deserialization vulnerability exists on the site. This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.","status":"published","published":"2024-12-10T00:15:00Z","modified":"2025-09-08T17:05:36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:55:15.331356Z"},{"id":"BIT-drupal-2024-55638","title":"Drupal core - Moderately critical - Gadget chain - SA-CORE-2024-008","description":"Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9.\n\nDrupal core contains a chain of methods that is exploitable when an insecure deserialization vulnerability exists on the site. This so-called gadget chain presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.","status":"published","published":"2025-06-03T14:41:31.768Z","modified":"2026-09-08T08:47:04.991474688Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"CLSA-2026-1776214337","title":"TuxCare security update for drupal/core (11 CVEs)","description":"TuxCare rebuilt drupal/core to address 11 CVEs. Fixed in 9.5.11-p1+tuxcare.","status":"published","published":"2026-08-04T14:52:36Z","modified":"2026-10-15T09:47:59.489786328Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"CLSA-2026-1784682869","title":"TuxCare security update for drupal/core (21 CVEs)","description":"TuxCare rebuilt drupal/core to address 21 CVEs. Fixed in 8.9.20-p1+tuxcare.","status":"published","published":"2026-08-04T14:52:46Z","modified":"2026-10-15T09:48:00.288868947Z","updated_at":"2026-11-02T15:43:46.482572Z"},{"id":"DRUPAL-CORE-2024-008","description":"Drupal core contains a potential PHP Object Injection vulnerability that (if combined with another exploit) could lead to Remote Code Execution. It is not directly exploitable.\n\nThis issue is mitigated by the fact that in order for it to be exploitable, a separate vulnerability must be present to allow an attacker to pass unsafe input to `unserialize()`. There are no such known exploits in Drupal core.\n\nTo help protect against this potential vulnerability, some additional checks have been added to Drupal core's database code. If you use a third-party database driver, check the release notes for additional configuration steps that may be required in certain cases.","status":"published","published":"2024-11-20T17:29:59Z","modified":"2025-12-10T23:41:03.440447Z","updated_at":"2026-11-02T15:46:13.900249Z"},{"id":"GHSA-6ccv-8fgf-cjpw","title":"Drupal core Denial of Service vulnerability","description":"The Comment module allows users to reply to comments. In certain cases, an attacker could make comment reply requests that would trigger a denial of service (DOS).\n\nSites that do not use the Comment module are not affected.","status":"published","published":"2024-02-12T22:31:34Z","modified":"2024-11-29T05:26:49.838861Z","updated_at":"2026-11-02T15:46:39.618611Z"}]}}