Medium RHSA-2026:19566 1 CVE

Red Hat Security Advisory: glib2 security update

Published May 20, 2026 · Updated Oct 15, 2026

Ecosystem: Red Hat

Fixed packages 7

Release	Package	Fixed in
Red Hat · RHEL 7 ELS rhel_els:7	glib2	0:2.56.1-12.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-debuginfo	0:2.56.1-12.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-devel	0:2.56.1-12.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-doc	0:2.56.1-12.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-fam	0:2.56.1-12.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-static	0:2.56.1-12.el7_9
Red Hat · RHEL 7 ELS rhel_els:7	glib2-tests	0:2.56.1-12.el7_9

Vulnerabilities 1

Medium 5.6

CVE-2025-14087

Glib: glib: buffer underflow in gvariant parser leads to heap corruption

A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input stri…

Red Hat GNOME Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Linux Debian Ubuntu Azure Linux

Dec 10, 2025

References

article
https://access.redhat.com/security/updates/classification/#moderate
report
https://bugzilla.redhat.com/show_bug.cgi?id=2419093
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19566.json
report
https://access.redhat.com/security/cve/CVE-2025-14087
advisory
https://www.cve.org/CVERecord?id=CVE-2025-14087
advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-14087
article
https://gitlab.gnome.org/GNOME/glib/-/issues/3834