Upstream information

CVE-2026-40890 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (GitHub)
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 16.0 python-Markdown Analysis
SUSE Linux Enterprise Server 16.1 govulncheck-vulndb Released
SUSE Linux Enterprise Server 16.1 python-Markdown Analysis
SUSE Linux Enterprise Server for SAP applications 16.0 python-Markdown Analysis
SUSE Linux Enterprise Server for SAP applications 16.1 govulncheck-vulndb Released
SUSE Linux Enterprise Server for SAP applications 16.1 python-Markdown Analysis
openSUSE Leap 16.0 python-Markdown Analysis


SUSE Timeline for this CVE

CVE page created: Mon Aug 10 21:35:42 2026
CVE page last modified: Thu Aug 27 14:02:16 2026