{"id":"CVE-2018-11547","aliases":["EUVD-2018-3574","GHSA-6444-mjj8-cj4f"],"status":"published","title":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because...","description":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01575,"percentile":0.75614,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2018-05-29T21:00:00Z","modified":"2026-10-20T10:50:17Z","products":[{"vendor":"md4c_project","product":"md4c"}],"references":[{"url":"https://github.com/mity/md4c/issues/37","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11547"},{"url":"https://github.com/advisories/GHSA-6444-mjj8-cj4f"}],"sources":{"cve":[{"id":"CVE-2018-11547","description":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.","status":"published","published":"2018-05-29T21:00:00Z","modified":"2024-09-16T19:24:36.369Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3574","description":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.","status":"published","published":"2018-05-29T21:00:00Z","modified":"2024-09-16T19:24:36Z","updated_at":"2026-11-03T00:55:23.186812Z"}],"ghsa":[{"id":"GHSA-6444-mjj8-cj4f","title":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because...","description":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.","status":"published","published":"2022-05-14T03:15:33Z","modified":"2023-02-02T05:07:13Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:52:27.395685Z"}],"nvd":[{"id":"CVE-2018-11547","description":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.","status":"published","published":"2018-05-29T21:29:00.41Z","modified":"2026-06-17T01:36:08.703Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:28.483469Z"}],"osv":[{"id":"CVE-2018-11547","description":"md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination.","status":"published","published":"2018-05-29T21:29:00.41Z","modified":"2026-10-20T10:50:17.647281639Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:07.934182Z"}]}}