CVEvulnerability

CVE-2026-40890

7.5 HIGH Published 2026-04-21 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-04-21
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-125

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.

Affected configurations

• gomarkdown markdown (< 2026-04-10)

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References