CVE-2026-7210

Sažetak

`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.

Reference

https://github.com/python/cpython/commit/24b8f12544468e4cedf5bfbe25442fcd495391e4
https://github.com/python/cpython/commit/3573b3b1ecbd99030a0b18658e1bfece771b2566
https://github.com/python/cpython/commit/cbaecf9f16da611a646d507c1cbca265c588fc56
https://github.com/python/cpython/commit/e37df2a6a71d6538698e2d3188a7c345b827640b
https://github.com/python/cpython/commit/eeea765cb9d8f1fc3d8918b272ac3c477983f27a
https://github.com/python/cpython/commit/fc9b11ff49cbc82e6f917d07a61517a2b5f3145f
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/PNY5OMBDPM2FRUZTWFFPJ6LISWKV627K/
http://www.openwall.com/lists/oss-security/2026/05/11/13
http://www.openwall.com/lists/oss-security/2026/05/11/8

CVSS

Base:	7.5
Impact:	3.6
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	HIGH

CVSS vektor

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Zadnje važnije ažuriranje

13-08-2026 - 01:16

Objavljeno

11-05-2026 - 18:16