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Python Insufficient Entropy Vulnerability (CVE-2026-7210) - Vulnerability Database

Python Insufficient Entropy Vulnerability (CVE-2026-7210)

Description

`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch.

References

CVE-2026-7210

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Severity

Critical

Classification

CVE-2026-7210
CWE-331
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update
Known Vulnerabilities