Hi,

The following vulnerability was published for golang-github-gomarkdown-markdown.

CVE-2026-40890[0]:
| 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.

https://github.com/gomarkdown/markdown/security/advisories/GHSA-77fj-vx54-gvh7
https://github.com/gomarkdown/markdown/commit/759bbc3e32073c3bc4e25969c132fc520eda2778


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-40890
https://www.cve.org/CVERecord?id=CVE-2026-40890

Please adjust the affected versions in the BTS as needed.