`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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 11 May 2026 22:30:00 +0000
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Mon, 11 May 2026 20:30:00 +0000
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Mon, 11 May 2026 20:00:00 +0000
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Python
Python cpython |
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Python
Python cpython |
Mon, 11 May 2026 18:00:00 +0000
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| 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. | |
| Title | The expat and elementtree parsers use insufficient entropy for XML hash-flooding protection | |
| Weaknesses | CWE-331 | |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: PSF
Published:
Updated: 2026-05-11T20:34:17.811Z
Reserved: 2026-04-27T14:43:40.042Z
Link: CVE-2026-7210
No data.
Status : Received
Published: 2026-05-11T18:16:42.413
Modified: 2026-05-11T22:22:14.863
Link: CVE-2026-7210
No data.
OpenCVE Enrichment
Updated: 2026-05-11T20:15:09Z
Weaknesses