CVE-2026-7210

EUVD-2026-29178
`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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
PSFCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
Affected Products (NVD)
VendorProductVersion
pythonpython
𝑥
< 3.15.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
pythoncpython
𝑥
< 3.13.14
CNA
pythoncpython
3.14.0 ≤
𝑥
< 3.14.6
CNA
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Amazon Linux Releases
Amazon Package
Release
python3.14
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-debug
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-debuginfo
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-debugsource
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-devel
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading-debug
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading-devel
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading-idle
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading-libs
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading-test
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-freethreading-tkinter
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-idle
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-libs
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-test
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed
python3.14-tkinter
Amazon Linux 2023
0:3.14.5-1.amzn2023.0.1
fixed