Lucene search
+L

CVE-2026-76098 Mistune has Denial of Service — RecursionError via Excessive Emphasis Markers in Markdown

🗓️ 24 Aug 2026 20:05:00Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Mistune 3.3.0-3.3.2 DoS via RecursionError from deeply nested emphasis tokens in HTML rendering.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cbl_mariner
CBLMariner
CVE-2026-76098 affecting package python-mistune for versions less than 3.3.4-1
2 Sep 202620:43
cbl_mariner
circl
Circl
CVE-2026-76098
24 Aug 202622:02
circl
cve
CVE
CVE-2026-76098
24 Aug 202620:05
cve
debiancve
Debian CVE
CVE-2026-76098
24 Aug 202620:05
debiancve
euvd
EUVD
EUVD-2026-65137
2 Sep 202615:14
euvd
github
Github Security Blog
Mistune: Denial of Service — RecursionError via Excessive Emphasis Markers in Markdown
2 Sep 202615:14
github
nvd
NVD
CVE-2026-76098
24 Aug 202620:17
nvd
osv
OSV
AZL-97956 CVE-2026-76098 affecting package python-mistune for versions less than 3.3.4-1
24 Aug 202620:17
osv
osv
OSV
DEBIAN-CVE-2026-76098
24 Aug 202620:17
osv
osv
OSV
ECHO-47D2-DDD1-74A0
4 Sep 202600:00
osv
Rows per page
[
  {
    "vendor": "lepture",
    "product": "mistune",
    "versions": [
      {
        "version": ">= 3.3.0, < 3.3.3",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation