{"id":"CVE-2026-40890","revision":"2e3855f9878648d2bc29daac4b56bd4c","records":[{"revision":"2e3855f9878648d2bc29daac4b56bd4c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-40890","aliases":[],"title":"github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer","description":"The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a < character that is not followed by a > character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with commit 759bbc3e32073c3bc4e25969c132fc520eda2778.","state":0,"publishedAt":"2026-04-21T19:51:53.237+00:00","modifiedAt":"2026-04-21T20:36:07.854+00:00","affected":[{"ecosystem":"Vendor product","name":"markdown","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"gomarkdown\",\n                    \"product\": \"markdown\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 759bbc3e32073c3bc4e25969c132fc520eda2778\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/gomarkdown/markdown/security/advisories/GHSA-77fj-vx54-gvh7","https://github.com/gomarkdown/markdown/commit/759bbc3e32073c3bc4e25969c132fc520eda2778"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-40890","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-40890","identifiers":["CVE-2026-40890"]},"retained":false,"historicalAffected":[]}],"coverage":[]}