{"id":"CVE-2018-11503","details":"The isfootnote function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file, as demonstrated by mkd2html.","modified":"2026-08-07T11:31:18.119717426Z","published":"2018-05-26T21:29:00.300Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"}]},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4293"},{"type":"REPORT","url":"https://github.com/Orc/discount/issues/189#issuecomment-392247798"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/orc/discount","events":[{"introduced":"9e9d5158735d7401296ecd28515e9dbef831e4e1"},{"last_affected":"9e9d5158735d7401296ecd28515e9dbef831e4e1"}],"database_specific":{"extracted_events":[{"introduced":"2.2.3-a"},{"last_affected":"2.2.3-a"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:discount_project:discount:2.2.3:a:*:*:*:*:*:*"}}],"versions":["2.2.3-a","v2.2.3a"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11503.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}