{"id":"CVE-2020-25821","aliases":["EUVD-2020-18457","GHSA-844g-g5xp-8wfm"],"status":"published","title":"** UNSUPPORTED WHEN ASSIGNED ** peg-markdown 0.4.14 has a NULL pointer dereference in...","description":"peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01407,"percentile":0.72965,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2020-09-23T03:12:18Z","modified":"2026-10-20T10:52:54Z","products":[{"vendor":"peg-markdown_project","product":"peg-markdown"}],"references":[{"url":"https://github.com/jgm/peg-markdown/issues/43","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25821"},{"url":"https://github.com/advisories/GHSA-844g-g5xp-8wfm"}],"sources":{"cve":[{"id":"CVE-2020-25821","description":"peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2020-09-23T03:12:18Z","modified":"2024-08-04T15:40:36.961Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-18457","description":"peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2020-09-23T03:12:18Z","modified":"2024-08-04T15:40:36Z","updated_at":"2026-11-03T03:07:16.74035Z"}],"ghsa":[{"id":"GHSA-844g-g5xp-8wfm","title":"** UNSUPPORTED WHEN ASSIGNED ** peg-markdown 0.4.14 has a NULL pointer dereference in...","description":"** UNSUPPORTED WHEN ASSIGNED ** peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.","status":"published","published":"2022-05-24T17:29:17Z","modified":"2024-03-30T05:01:42Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:55:44.65747Z"}],"nvd":[{"id":"CVE-2020-25821","description":"peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2020-09-23T04:15:11.133Z","modified":"2026-06-17T03:07:20.75Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:15.83396Z"}],"osv":[{"id":"CVE-2020-25821","description":"peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2020-09-23T04:15:11.133Z","modified":"2026-10-20T10:52:54.74025847Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}