CyberSecBulletin

Gomarkdown vulnerabilities

We track 3 vulnerabilities in Gomarkdown products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on October 16, 2026.

3vulnerabilities
0critical
3high
0exploited
7.5average CVSS score

Latest Gomarkdown vulnerabilities

  • 7.5 High severity

    markdown: Out-of-bounds Read

    CVE-2026-102941Gomarkdown

    The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Prior to 0.0.0-20260724235538-61af6e1e6971, parser.IsSafeURL in parser/parser.go slices url[:nPath] before the len(url) >= nPath guard. A short destinat

  • 7.5 High severity

    markdown: Out-of-bounds Read

    CVE-2026-40890Gomarkdown

    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

  • 7.5 High severity

    markdown: Out-of-bounds Read

    CVE-2023-42821GomarkdownEPSS 1.25%

    The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion `0.0.0-20230922105210-14b16010c2ee`, which corresponds with commit `14b16010c2ee7ff33a940a541d993bd043a88940`, parsing malforme