GO-2026-5208Published

github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer

cve-program · CVE-2026-40890

Published

markdown

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "gomarkdown",
                    "product": "markdown",
                    "versions": [
                        {
                            "version": "< 759bbc3e32073c3bc4e25969c132fc520eda2778",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-24280

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Apr 21, 2026, 7:51:53 PM

dateUpdated: Apr 21, 2026, 8:36:07 PM

6 related source bulletins · separate from aliases

RHSA-2026:21769: Red Hat Security Advisory: Multicluster Global Hub 1.5.4 security update

CVE-2026-4427 · CVE-2026-21728 · CVE-2026-25679 · CVE-2026-27137 · CVE-2026-27889 · CVE-2026-29785 · CVE-2026-32280 · CVE-2026-32281 · CVE-2026-32282 · CVE-2026-32283 · CVE-2026-32285 · CVE-2026-32286 · CVE-2026-33186 · CVE-2026-33215 · CVE-2026-33216 · CVE-2026-33217 · CVE-2026-33218 · CVE-2026-33219 · CVE-2026-33247 · CVE-2026-33413 · CVE-2026-33487 · CVE-2026-33810 · CVE-2026-33813 · CVE-2026-33997 · CVE-2026-34040 · CVE-2026-34986 · CVE-2026-40890 · CVE-2026-41602 · CVE-2026-41603 · CVE-2026-41604 · CVE-2026-41605 · CVE-2026-41606 · CVE-2026-41607 · CVE-2026-41636 · CVE-2026-43869

RHSA-2026:23345: Red Hat Security Advisory: Multicluster Global Hub 1.6.2 security update

RHSA-2026:22347: Red Hat Security Advisory: Multicluster Global Hub 1.4.5 security update

msrc_CVE-2026-40890: github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer

CVE-2026-40890

RHSA-2026:24539: Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.15.3 security update

CVE-2025-48431 · CVE-2026-33815 · CVE-2026-33816 · CVE-2026-40293 · CVE-2026-40890 · CVE-2026-40895 · CVE-2026-41602 · CVE-2026-41603 · CVE-2026-41604 · CVE-2026-41605 · CVE-2026-41606 · CVE-2026-41607 · CVE-2026-41636 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043 · CVE-2026-42044 · CVE-2026-43869

RHSA-2026:24503: Red Hat Security Advisory: Multicluster Global Hub 1.7.1 security update

CVE-2025-41118 · CVE-2026-21728 · CVE-2026-32281 · CVE-2026-32282 · CVE-2026-33813 · CVE-2026-33815 · CVE-2026-33816 · CVE-2026-34040 · CVE-2026-40293 · CVE-2026-40890 · CVE-2026-41602 · CVE-2026-43869

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-40890

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-125

Original publisher date fields

published: 2026-04-21T20:17:02.810

lastModified: 2026-10-26T21:10:00.170

1 source CPE criteria · context only

cpe:2.3:a:gomarkdown:markdown:*:*:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-77fj-vx54-gvh7

Published