CVE-2025-4373
MEDIUMRed Hat Enterprise Linux 10 - Buffer Underflow in GLib g_string_insert_unichar()
Title source: llmDescription
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.
References (17)
Core 17
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:10855
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:11140
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:11327
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:11373
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:11374
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:11662
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:12275
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:13335
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:14988
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:14989
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:14990
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2025:14991
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-4373
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2364265
Issue Tracking
https://gitlab.gnome.org/GNOME/glib/-/issues/3677
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-089022.html
Scores
CVSS v3
4.8
EPSS
0.0074
EPSS Percentile
73.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-124
Status
published
Products (29)
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 10
0:2.80.4-4.el10_0.6
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 8
0:2.56.4-166.el8_10
Red Hat/Red Hat Enterprise Linux 8.2 Advanced Update Support
0:2.56.4-8.el8_2.2
Red Hat/Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
0:2.56.4-10.el8_4.2
Red Hat/Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
0:2.56.4-10.el8_4.2
Red Hat/Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
0:2.56.4-158.el8_6.2
... and 19 more
Published
May 06, 2025
Tracked Since
Feb 18, 2026