Back to Database
Status published
Medium
CVE-2025-4373
Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar
Vulnerability Description
A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-4373
Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2025:10855
- https://access.redhat.com/errata/RHSA-2025:11140
- https://access.redhat.com/errata/RHSA-2025:11327
- https://access.redhat.com/errata/RHSA-2025:11373
- https://access.redhat.com/errata/RHSA-2025:11374
- https://access.redhat.com/errata/RHSA-2025:11662
- https://access.redhat.com/errata/RHSA-2025:12275
- https://access.redhat.com/errata/RHSA-2025:13335
- https://access.redhat.com/errata/RHSA-2025:14988
- https://access.redhat.com/errata/RHSA-2025:14989
- https://access.redhat.com/errata/RHSA-2025:14990
- https://access.redhat.com/errata/RHSA-2025:14991
- https://access.redhat.com/security/cve/CVE-2025-4373
- https://bugzilla.redhat.com/show_bug.cgi?id=2364265
- https://gitlab.gnome.org/GNOME/glib/-/issues/3677
More from Unknown
View All →CVE-2025-9978
Jeg Elementor Kit < 2.7.0 - Author+ Stored XSS
Unknown
0
CVE-2025-9959
Sandbox escape in smolagents Local Python execution environment via dunder attributes
High
7.6
CVE-2025-9900
Libtiff: libtiff write-what-where
High
8.8
CVE-2025-9784
Undertow: undertow madeyoureset http/2 ddos vulnerability
High
7.5
CVE-2025-9710
Responsive Lightbox & Gallery < 2.5.3 - Unauthenticated Stored-XSS via Comments
Unknown
0
Affected Vendor
Unknown
View all reports →Affected Software
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Insights proxy 1.5, Red Hat OpenShift distributed tracing 3.6.0, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
0, 0:2.80.4-4.el10_0.6, 0:2.56.4-166.el8_10, 0:2.56.4-8.el8_2.2, 0:2.56.4-10.el8_4.2, 0:2.56.4-158.el8_6.2, 0:2.56.4-162.el8_8, 0:2.68.4-16.el9_6.2, 0:2.68.4-5.el9_0.2, 0:2.68.4-7.el9_2.2, 0:2.68.4-14.el9_4.3, 1.5.5-1754504343, rhosdt-3.6-1753265330, rhosdt-3.6-1753265394, rhosdt-3.6-1753265332, rhosdt-3.6-1753265435, rhosdt-3.6-1753265342, rhosdt-3.6-1753269432, rhosdt-3.6-1753265411, rhosdt-3.6-1753265314
Timeline
Official Publish:
May 6th, 2025
Last Modified:
July 14th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.