CVE-2026-40890 — github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer
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 f…
Published: 2026-04-21 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7