{"id":"CVE-2018-6196","details":"w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.","modified":"2026-07-08T20:30:31.194448Z","published":"2018-01-25T03:29:00.447Z","related":["SUSE-SU-2019:0776-1","openSUSE-SU-2024:11504-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.04"},{"last_affected":"12.04"},{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"17.10"},{"last_affected":"17.10"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"}]},"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3555-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3555-2/"},{"type":"FIX","url":"https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92"},{"type":"FIX","url":"https://github.com/tats/w3m/issues/88"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tats/w3m","events":[{"introduced":"0"},{"last_affected":"5397d09e585a1938fb64bc9c5cd5daed1959eb90"},{"fixed":"8354763b90490d4105695df52674d0fcef823e92"}],"database_specific":{"cpe":"cpe:2.3:a:tats:w3m:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"0.5.3"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v0.5.3+git20170102","v0.5.3+git20161120","v0.5.3+debian-19","v0.5.3+git20161031","v0.5.3+git20161009","v0.5.3+git20160718","v0.5.3+git20160511","v0.5.3+git20160228","v0.5.3+git20151119","v0.5.3+git20151010","v0.5.3+git20150811","v0.5.3+git20150720","v0.5.3+git20150623","v0.5.3+git20150509","v0.5.3+git20150203","upstream/0.5.3","upstream/0.5.2","upstream/0.5.1","upstream/0.3","upstream/0.1.10+0.1.11pre+kokb23"],"database_specific":{"vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"278690477708259092384061663626912926247","length":837},"id":"CVE-2018-6196-0c94ae60","signature_type":"Function","signature_version":"v1","source":"https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92","target":{"file":"table.c","function":"feed_table_block_tag"}},{"signature_version":"v1","source":"https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92","target":{"file":"table.c"},"deprecated":false,"digest":{"line_hashes":["231221962090317999890985321835188342336","118916730262232336109454661041128337328","166230395138077676149499068463892012324","104065997999367729875709519296307791262","192457102866877763703738991838686581090","293925181627931240598191685329173744191","181746325681245394942630939017618190698","225439380327822606701522193529102835607"],"threshold":0.9},"id":"CVE-2018-6196-2fc2f8b5","signature_type":"Line"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6196.json","vanir_signatures_modified":"2026-07-08T20:30:31Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}