VDB
ANCHORE-2026-7210
ANCHORE-2026-7210
PUBLISHED
`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.
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python Software Foundation | CPython | 0, 0, 0 |
Timeline
- May 11, 2026 CVE Published
- Jun 10, 2026 CVE Updated
References
- https://github.com/python/cpython/pull/149023 url
- https://github.com/python/cpython/issues/149018 url
- https://mail.python.org/archives/list/security-announce@python.org/thread/PNY5OMBDPM2FRUZTWFFPJ6LISWKV627K/ url
- https://github.com/python/cpython/commit/24b8f12544468e4cedf5bfbe25442fcd495391e4 url
- https://github.com/python/cpython/commit/3573b3b1ecbd99030a0b18658e1bfece771b2566 url
- https://github.com/python/cpython/commit/eeea765cb9d8f1fc3d8918b272ac3c477983f27a url
- https://github.com/python/cpython/commit/fc9b11ff49cbc82e6f917d07a61517a2b5f3145f url