RLSA-2026:55440: glib2 security update

RLSA-2026:55440, released August 17, 2026, fixes 7 CVEs in glib2 (version 0:2.68.4-19.el9_8.9). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.6

Base score, 0 to 10

Highest EPSS

0.0084

58th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 0
                                High 7
                                Routine 0

Fixed package versions

Product	Release	Fixed in
glib2	rocky 9	0:2.68.4-19.el9_8.9

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-58015	mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C	7.5	0.0084	None reported
High	CVE-2026-58013	mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C	8.2	0.0071	None reported
High	CVE-2026-15588	Gdbusserver: glib2: gdbusserver pre-authentication dos via unbounded sasl line buffering	7.3	0.0058	None reported
High	CVE-2026-58014	mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C	8.6	0.0056	None reported
High	CVE-2026-58010	mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C	8.2	0.0049	None reported
High	CVE-2026-58012	mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C	8.2	0.0049	None reported
High	CVE-2026-58011	mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C	7.5	0.0047	None reported

Also fixes CVE-2026-58015

gir1.2-girepository-3.0 2.80.0-6ubuntu3.9
gir1.2-girepository-3.0 on Ubuntu 24.04.5 LTS (noble)
gir1.2-girepository-3.0 2.88.0-1ubuntu0.1
gir1.2-girepository-3.0 on Ubuntu 26.04.1 LTS (resolute)
gir1.2-glib-2.0 2.80.0-6ubuntu3.9
gir1.2-glib-2.0 on Ubuntu 24.04.5 LTS (noble)
gir1.2-glib-2.0 2.88.0-1ubuntu0.1
gir1.2-glib-2.0 on Ubuntu 26.04.1 LTS (resolute)
girepository-tools 2.88.0-1ubuntu0.1
girepository-tools on Ubuntu 26.04.1 LTS (resolute)
libgio-2.0-dev-bin 2.88.0-1ubuntu0.1
libgio-2.0-dev-bin on Ubuntu 26.04.1 LTS (resolute)
libgirepository-2.0-0 2.80.0-6ubuntu3.9
libgirepository-2.0-0 on Ubuntu 24.04.5 LTS (noble)
libgirepository-2.0-0 2.88.0-1ubuntu0.1
libgirepository-2.0-0 on Ubuntu 26.04.1 LTS (resolute)

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:55440

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