Red Hat Security AdvisoryRHSA-2026:40856
python3.14 security update
Released 2026-07-16 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream (v. 10) python3.14-3.14.5-1.el10_2.1, python3.14-devel-3.14.5-1.el10_2.1, python3.14-libs-3.14.5-1.el10_2.1 +1
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) python3.14-debug-3.14.5-1.el10_2.1, python3.14-freethreading-3.14.5-1.el10_2.1, python3.14-freethreading-debug-3.14.5-1.el10_2.1 +7
Fixes 1 record
Priority MEDIUM 45
The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00637 · Published 2026-07-09 · Partial fix · 3.10.21, 3.11.16 +4 CWE-400
