{"id":"UBUNTU-CVE-2018-13346","details":"The mpatch_apply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004.","modified":"2025-09-08T16:44:57Z","published":"2018-07-06T00:29:00Z","upstream":["CVE-2018-13346"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-13346"},{"type":"REPORT","url":"https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29"},{"type":"REPORT","url":"https://www.mercurial-scm.org/repo/hg/rev/faa924469635"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-13346"}],"affected":[{"package":{"name":"mercurial","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/mercurial@2.8.2-1ubuntu1.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.2-1ubuntu1.4"}]}],"versions":["2.6.3-1","2.7.2-1","2.8.1-2","2.8.2-1ubuntu1","2.8.2-1ubuntu1.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.8.2-1ubuntu1.4","binary_name":"mercurial"},{"binary_version":"2.8.2-1ubuntu1.4","binary_name":"mercurial-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-13346.json"}},{"package":{"name":"mercurial","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mercurial@3.7.3-1ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-1ubuntu1.1"}]}],"versions":["3.4-1ubuntu2","3.6.2-1ubuntu2","3.7.3-1ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"3.7.3-1ubuntu1.1","binary_name":"mercurial"},{"binary_version":"3.7.3-1ubuntu1.1","binary_name":"mercurial-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-13346.json"}},{"package":{"name":"mercurial","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mercurial@4.5.3-1ubuntu2.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.3-1ubuntu2.1"}]}],"versions":["4.3.1-2","4.5-1ubuntu1","4.5.2-0ubuntu2","4.5.3-1ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.5.3-1ubuntu2.1","binary_name":"mercurial"},{"binary_version":"4.5.3-1ubuntu2.1","binary_name":"mercurial-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-13346.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}