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.
Project Subscriptions
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Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-77fj-vx54-gvh7 | Go Markdown has an Out-of-bounds Read in SmartypantsRenderer |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 22 Apr 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer | |
| Weaknesses | CWE-125 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-21T20:36:07.854Z
Reserved: 2026-04-15T16:37:22.766Z
Link: CVE-2026-40890
Updated: 2026-04-21T20:16:30.316Z
Status : Received
Published: 2026-04-21T20:17:02.810
Modified: 2026-04-21T21:16:44.033
Link: CVE-2026-40890
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OpenCVE Enrichment
No data.
Weaknesses
Github GHSA