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CVE-2026-7210
CRITICAL(9.8)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Risk Signal Score25/100 — MITTEL
- CVSS 9.8 — Kritisch
EPSS-Score
0%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
9.8
Technische Schwere
Beschreibung
`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.
Referenzen
- https://github.com/python/cpython/commit/24b8f12544468e4cedf5bfbe25442fcd495391e...
- https://github.com/python/cpython/commit/3573b3b1ecbd99030a0b18658e1bfece771b256...
- https://github.com/python/cpython/commit/eeea765cb9d8f1fc3d8918b272ac3c477983f27...
- https://github.com/python/cpython/commit/fc9b11ff49cbc82e6f917d07a61517a2b5f3145...
- https://github.com/python/cpython/issues/149018
- https://github.com/python/cpython/pull/149023
- https://mail.python.org/archives/list/security-announce@python.org/thread/PNY5OM...
- http://www.openwall.com/lists/oss-security/2026/05/11/13
- http://www.openwall.com/lists/oss-security/2026/05/11/8