{"id":"UBUNTU-CVE-2025-13120","details":"A vulnerability has been found in mruby up to 3.4.0. This vulnerability affects the function sort_cmp of the file src/array.c. Such manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is eb398971bfb43c38db3e04528b68ac9a7ce509bc. It is advisable to implement a patch to correct this issue.","modified":"2026-05-20T16:20:22.349902527Z","published":"2025-11-13T16:15:00Z","upstream":["CVE-2025-13120"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-13120"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-13120"},{"type":"REPORT","url":"https://github.com/mruby/mruby/issues/6649"},{"type":"REPORT","url":"https://github.com/makesoftwaresafe/mruby/pull/263"},{"type":"REPORT","url":"https://github.com/mruby/mruby/issues/6649#issue-3534393003"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.332325"},{"type":"REPORT","url":"https://vuldb.com/?id.332325"},{"type":"REPORT","url":"https://vuldb.com/?submit.683435"}],"affected":[{"package":{"name":"mruby","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.0+20150817+gita1731254-1","1.1.0+20150906+git1cbbb7e1-1","1.2.0+20160315+git4f20d58a-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.0+20160315+git4f20d58a-1","binary_name":"mruby"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-1","1.3.0+20170925+git38185028-1","1.3.0+20171029+git77edafb0-1","1.4.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"mruby","binary_version":"1.4.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"mruby","binary_version":"2.0.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-3","3.0.0-1","3.0.0-3"],"ecosystem_specific":{"binaries":[{"binary_name":"mruby","binary_version":"3.0.0-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.0-1","3.2.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.2.0-2","binary_name":"mruby"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.3.0-1","binary_name":"mruby"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}},{"package":{"name":"mruby","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/mruby?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.0-1","3.4.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4.0-2","binary_name":"mruby"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-13120.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"},{"type":"Ubuntu","score":"medium"}]}