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GHSA-JMR7-XGP7-CMFJ fast-xml-parser affected by DoS through entity expansion in DOCTYPE (no expansion limit)

🗓️ 17 Feb 2026 21:30:10Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

DoS in fast-xml-parser via unlimited DOCTYPE entity expansion with no expansion limit.

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28 Feb 2026 05:17Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00811
fast-xml-parserxml entity expansiondenial of servicedoctype attackparsing vulnerability
2