{"id":"UBUNTU-CVE-2018-6197","details":"w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.","modified":"2026-01-30T00:36:42.569626Z","published":"2018-01-24T00:00:00Z","related":["USN-3555-1","USN-3555-2"],"upstream":["CVE-2018-6197"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6197"},{"type":"REPORT","url":"https://github.com/tats/w3m/issues/89"},{"type":"REPORT","url":"https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3555-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3555-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-6197"}],"affected":[{"package":{"name":"w3m","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/w3m@0.5.3-15ubuntu0.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.3-15ubuntu0.2"}]}],"versions":["0.5.3-11","0.5.3-12","0.5.3-13","0.5.3-15","0.5.3-15ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"w3m","binary_version":"0.5.3-15ubuntu0.2"},{"binary_name":"w3m-img","binary_version":"0.5.3-15ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6197.json"}},{"package":{"name":"w3m","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/w3m@0.5.3-26ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.3-26ubuntu0.2"}]}],"versions":["0.5.3-24","0.5.3-25","0.5.3-26","0.5.3-26build1","0.5.3-26ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"w3m","binary_version":"0.5.3-26ubuntu0.2"},{"binary_name":"w3m-img","binary_version":"0.5.3-26ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6197.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:N/A:H"},{"type":"Ubuntu","score":"medium"}]}