Linux · Rocky Linux · Security advisory · February 11, 2026

RLSA-2026:1226: python3.12-urllib3 security update

RLSA-2026:1226, released February 11, 2026, fixes 3 CVEs in python3.12-urllib3 (version 0:1.26.19-2.el8_10). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
7.5
Base score, 0 to 10
Highest EPSS
0.0292
87th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 3 Routine 0

Fixed package versions

ProductReleaseFixed in
python3.12-urllib3rocky 80:1.26.19-2.el8_10

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-21441 urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)7.5 0.0292 None reported
High CVE-2025-66418 urllib3 allows an unbounded number of links in the decompression chain7.5 0.0073 None reported
High CVE-2025-66471 urllib3 Streaming API improperly handles highly compressed data7.5 0.0073 None reported
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