{"id":"UBUNTU-CVE-2017-9527","details":"The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.","modified":"2025-07-16T08:21:53.508551Z","published":"2017-06-11T17:29:00Z","withdrawn":"2025-07-18T16:44:01Z","upstream":["CVE-2017-9527"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-9527"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-9527"}],"affected":[{"package":{"name":"mruby","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mruby@1.4.0-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.0-1"}]}],"versions":["1.3.0-1","1.3.0+20170925+git38185028-1","1.3.0+20171029+git77edafb0-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libmruby-dev","binary_version":"1.4.0-1"},{"binary_name":"mruby","binary_version":"1.4.0-1"},{"binary_name":"mruby-dbgsym","binary_version":"1.4.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-9527.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}