RLSA-2026:19189: python-tornado security update

RLSA-2026:19189, released May 21, 2026, fixes 2 CVEs in python-tornado (version 0:6.5.5-1.el9_7.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0042

36th percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 1

Fixed package versions

Product	Release	Fixed in
python-tornado	rocky 9	0:6.5.5-1.el9_7.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-31958	pcs: The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(...	7.5	0.0042	None reported
Routine	CVE-2026-35536	python3-tornado: In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to ....	5.4	0.0025	None reported

Also fixes CVE-2026-31958

ALAS2023-2026-1528
python3.13-tornado, python3.13-tornado-debuginfo, python3.13-tornado-debugsource and 1 more on amzn 2023
FEDORA-2026-23656E6D2F
python-tornado, python-tornado-debugsource, python-tornado-doc and 2 more on Fedora 43
RLSA-2026:19034
python-tornado on rocky 10
ALSA-2026:19034
python3-tornado on almalinux 10
ALSA-2026:19189
python3-tornado on almalinux 9
RHSA-2026:19189
python3-tornado on RHEL 9
ELSA-2026-13641
python3-tornado on ol 10
ELSA-2026-13670
python3-tornado on ol 9

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:19189

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