本ページは md4c_project md4c に影響する公開済み CVE（NVD の CPE 経由で関連付け）を列挙します。各行に深刻度指標・概要・公開日が含まれます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2021-30027 | md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document. | [email protected] | 5.5 | 0.70% | 2021-04-29 | 2026-06-16 |
| CVE-2020-26148 | md_push_block_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdown document. | [email protected] | 7.5 | 1.41% | 2020-09-30 | 2026-06-16 |
| CVE-2018-12112 | md_build_attribute in md4c.c in md4c 0.2.6 allows remote attackers to cause a denial of service (Segmentation fault and application crash) or possibly have unspecified other impact via a crafted file. | [email protected] | 7.8 | 1.27% | 2018-06-11 | 2026-06-16 |
| CVE-2018-12102 | md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block. | [email protected] | 5.5 | 0.85% | 2018-06-11 | 2026-06-16 |
| CVE-2018-11547 | 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. | [email protected] | 9.8 | 1.63% | 2018-05-29 | 2026-06-16 |
| CVE-2018-11546 | md4c 0.2.5 has a heap-based buffer over-read because md_is_named_entity_contents has an off-by-one error. | [email protected] | 9.8 | 1.63% | 2018-05-29 | 2026-06-16 |
| CVE-2018-11545 | 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. | [email protected] | 9.8 | 1.59% | 2018-05-29 | 2026-06-16 |
| CVE-2018-11536 | md4c before 0.2.5 has a heap-based buffer overflow because md_split_simple_pairing_mark mishandles splits. | [email protected] | 9.8 | 1.71% | 2018-05-29 | 2026-06-16 |