{"id":"USN-5102-1","summary":"mercurial vulnerabilities","details":"It was discovered that Mercurial mishandled symlinks in subrepositories. An\nattacker could use this issue to write arbitrary files to the\ntarget’s filesystem. (CVE-2019-3902)\n\nIt was discovered that Mercurial incorrectly handled certain manifest files.\nAn attacker could use this issue to cause a denial of service and possibly\nexecute arbitrary code. (CVE-2018-17983)\n\n","modified":"2026-02-10T04:42:20Z","published":"2021-10-04T17:25:49Z","related":["UBUNTU-CVE-2018-17983","UBUNTU-CVE-2019-3902"],"upstream":["CVE-2018-17983","CVE-2019-3902","UBUNTU-CVE-2018-17983","UBUNTU-CVE-2019-3902"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5102-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-17983"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3902"}],"affected":[{"package":{"name":"mercurial","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mercurial@4.5.3-1ubuntu2.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.3-1ubuntu2.2"}]}],"versions":["4.3.1-2","4.5-1ubuntu1","4.5.2-0ubuntu2","4.5.3-1ubuntu2","4.5.3-1ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.5.3-1ubuntu2.2","binary_name":"mercurial"},{"binary_version":"4.5.3-1ubuntu2.2","binary_name":"mercurial-common"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5102-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-17983"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-3902"}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}