CVE-2025-14087

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

State: Published
Severity: 5.6 Medium
Published: Dec 10, 2025
Updated: Oct 14, 2026
Reserved: Dec 5, 2025

Description

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 strings.

Scores

CVSS	Score	Vector	Source
3.1	5.6 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	redhat

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
glibGNOME	before 2.86.3Affected
Red Hat Enterprise Linux 10Red Hat	0:2.80.4-10.el10_1.13 and laterNot affected
Red Hat Enterprise Linux 10Red Hat	0:2.80.4-12.el10_2.13 and laterNot affected
Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat	0:2.80.4-4.el10_0.9 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:2.56.1-12.el7_9 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:2.70.1-9.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:2.56.4-169.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:2.56.4-10.el8_4.5 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat	0:2.56.4-10.el8_4.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:2.56.4-158.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:2.56.4-158.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:2.56.4-158.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:2.56.4-165.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:2.56.4-165.el8_8 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:2.68.4-18.el9_7.2 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:2.68.4-19.el9_8.1 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:2.68.4-18.el9_7.2 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:2.68.4-19.el9_8.1 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:2.68.4-5.el9_0.5 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:2.68.4-7.el9_2.5 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:2.68.4-14.el9_4.6 and laterNot affected
Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat	0:2.68.4-16.el9_6.5 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat	1791371080 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat	1791371069 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat	1791788287 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat	1791970484 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat	1791459707 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat	1791459711 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat	1791459759 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat	1789029076 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat	1791966259 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.20Red Hat	1790598593 and laterNot affected
Red Hat AI Inference Server 3.2Red Hat	1780681984 and laterNot affected
Red Hat Discovery 2Red Hat	1782159791 and laterNot affected
Red Hat Discovery 2Red Hat	1782166952 and laterNot affected
Red Hat Hardened ImagesRed Hat	2.88.0-1.1.hum1 and laterNot affected
Red Hat Insights proxy 1.5Red Hat	1780420428 and laterNot affected
Red Hat OpenShift AI 3.4Red Hat	1790703542 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1779798159 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1779798164 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1779798165 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1779798222 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1787241211 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1787135742 and laterNot affected
Red Hat Update Infrastructure 5Red Hat	1787241260 and laterNot affected
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 6Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat OpenShift Container Platform 4Red Hat

References

RHSA-2026:15953vendor-advisory
RHSA-2026:15969vendor-advisory
RHSA-2026:15971vendor-advisory
RHSA-2026:19148vendor-advisory
RHSA-2026:19361vendor-advisory
RHSA-2026:19452vendor-advisory
RHSA-2026:19457vendor-advisory
RHSA-2026:19459vendor-advisory
RHSA-2026:19460vendor-advisory
RHSA-2026:19523vendor-advisory
RHSA-2026:19524vendor-advisory
RHSA-2026:19565vendor-advisory
RHSA-2026:19566vendor-advisory
RHSA-2026:19567vendor-advisory
RHSA-2026:21275vendor-advisory
RHSA-2026:22634vendor-advisory
RHSA-2026:25096vendor-advisory
RHSA-2026:29197vendor-advisory
RHSA-2026:49512vendor-advisory
RHSA-2026:58981vendor-advisory
RHSA-2026:72502vendor-advisory
RHSA-2026:7461vendor-advisory
RHSA-2026:74674vendor-advisory
RHSA-2026:82304vendor-advisory
RHSA-2026:82322vendor-advisory
RHSA-2026:82347vendor-advisory
RHSA-2026:82354vendor-advisory
RHSA-2026:82372vendor-advisory
RHSA-2026:82857vendor-advisory
RHSA-2026:82888vendor-advisory
https://access.redhat.com/security/cve/CVE-2025-14087vdb-entry
RHBZ#2419093issue-tracking
https://gitlab.gnome.org/GNOME/glib/-/issues/3834

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