{"id":"AZL-92211","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/block_parser.py and the ref_links environment dictionary handling, allowing denial of service through CPU exhaustion. This issue is fixed in version 3.3.0.","modified":"2026-08-31T05:26:27Z","published":"2026-07-08T17:17:28Z","upstream":["CVE-2026-59928"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59928"}],"affected":[{"package":{"name":"python-mistune","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/python-mistune"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-92211.json"}}],"schema_version":"1.9.0"}