Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-92211.json
JSON Data
https://api.osv.dev/v1/vulns/AZL-92211
Upstream
Published
2026-07-08T17:17:28Z
Modified
2026-08-30T05:26:50Z
Summary
CVE-2026-59928 affecting package python-mistune for versions less than 3.3.0-1
Details

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/blockparser.py and the reflinks environment dictionary handling, allowing denial of service through CPU exhaustion. This issue is fixed in version 3.3.0.

References

Affected packages

Azure Linux:3 / python-mistune

Package

Name
python-mistune
Purl
pkg:rpm/azure-linux/python-mistune

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.0-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-92211.json"