This page tracks the Alpine Linux fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-7210 →
ALPINE-CVE-2026-7210
`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to tr...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Alpine:v3.21
python3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.14-r0"}]}]
Alpine:v3.22
python3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.14-r0"}]}]
Alpine:v3.23
python3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.14-r0"}]}]
Alpine:v3.24
python3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.7-r0"}]}]
References
- advisory security.alpinelinux.org