RLSA-2026:96233: ruby4.0 security update

RLSA-2026:96233, released November 11, 2026, fixes 3 CVEs in ruby4.0 (version 0:4.0.9-38.el10_2). One of them is being exploited (CVE-2026-97229); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

2 rated Critical

Exploited

CVE-2026-97229

Highest CVSS

10.0

Base score, 0 to 10

Highest EPSS

0.6522

99th percentile

Priority of the 3 CVEs

Patch now 1
                                Urgent 1
                                High 1
                                Routine 0

Fixed package versions

Product	Release	Fixed in
ruby4.0	rocky 10	0:4.0.9-38.el10_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2026-97229	Integer Overflow or Wraparound in GitLab	10.0	0.6522	KEVExploited
Urgent	CVE-2026-110264	Integer Overflow or Wraparound in GitLab	10.0	0.0135	None reported
High	CVE-2026-93577	ruby4.0-rubygem-pg: Fix: integer overflow issue in regular expression compiler	9.9	0.0063	None reported

Also fixes CVE-2026-97229

ALAS2023-2026-3413
ruby3.4, ruby3.4-bundled-gems, ruby3.4-bundled-gems-debuginfo and 31 more on amzn 2023
ALSA-2026:96235
ruby, ruby-bundled-gems, ruby-default-gems and 21 more on almalinux 10
RLSA-2026:96067
ruby on rocky 9
RLSA-2026:96235
ruby on rocky 10
ALAS2023-2026-3400
ruby4.0, ruby4.0-bundled-gems, ruby4.0-bundled-gems-debuginfo and 31 more on amzn 2023
ELSA-2026-96235
ruby, ruby-bundled-gems, ruby-default-gems and 21 more on ol 10
ALSA-2026:96067
ruby, ruby-default-gems, ruby-devel and 19 more on almalinux 9
ELSA-2026-96233
ruby4.0, ruby4.0-devel, ruby4.0-doc and 2 more on ol 10

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:96233

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