{"id":"CVE-2018-11743","aliases":["DEBIAN-CVE-2018-11743","DLA-2996-1","EUVD-2018-3762","GHSA-7w9j-h3hj-wc9g","UBUNTU-CVE-2018-11743"],"status":"published","title":"The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS...","description":"The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other 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Party Advisory","fix"]},{"url":"https://github.com/mruby/mruby/issues/4027","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11743"},{"url":"https://github.com/advisories/GHSA-7w9j-h3hj-wc9g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-11743","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-11743","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-11743","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-11743","description":"The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application 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impact.","status":"published","published":"2018-06-05T13:29:00.36Z","modified":"2026-10-20T13:26:23.351638397Z","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":"2026-11-02T15:44:07.934182Z"},{"id":"DEBIAN-CVE-2018-11743","description":"The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.","status":"published","published":"2018-06-05T13:29:00.36Z","modified":"2026-10-23T18:02:58.58643562Z","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":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-11743","description":"The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.","status":"published","published":"2018-06-05T13:29:00Z","modified":"2026-10-17T12:54:43.215538101Z","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":"2026-11-02T15:54:16.544091Z"},{"id":"DLA-2996-1","title":"mruby - security update","status":"published","published":"2022-05-06T00:00:00Z","modified":"2026-03-09T01:23:12.964589Z","updated_at":"2026-11-02T15:46:11.189256Z"}]}}