{"id":"CVE-2018-11545","aliases":["EUVD-2018-3572","GHSA-78q4-2c8r-5ghp"],"status":"published","title":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles...","description":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes.","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":"2026-11-07","score":0.01534,"percentile":0.74978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"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/39","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11545"},{"url":"https://github.com/advisories/GHSA-78q4-2c8r-5ghp"}],"sources":{"cve":[{"id":"CVE-2018-11545","description":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes.","status":"published","published":"2018-05-29T21:00:00Z","modified":"2024-09-16T23:01:45.854Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3572","description":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes.","status":"published","published":"2018-05-29T21:00:00Z","modified":"2024-09-16T23:01:45Z","updated_at":"2026-11-03T00:54:57.254208Z"}],"ghsa":[{"id":"GHSA-78q4-2c8r-5ghp","title":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles...","description":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes.","status":"published","published":"2022-05-13T01:18:56Z","modified":"2023-02-01T05:05:25Z","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-787"],"updated_at":"2026-11-02T14:50:14.84305Z"}],"nvd":[{"id":"CVE-2018-11545","description":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes.","status":"published","published":"2018-05-29T21:29:00.317Z","modified":"2026-06-17T01:36:08.45Z","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-787"],"updated_at":"2026-11-02T14:04:28.483469Z"}],"osv":[{"id":"CVE-2018-11545","description":"md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes.","status":"published","published":"2018-05-29T21:29:00.317Z","modified":"2026-10-20T10:50:17.362157608Z","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"}]}}