CVE-2025-4373

CVE-2025-4373 · Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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.

CVSS 4.8 · Medium · EPSS 0.6% · Fix available

Published: 2025-05-06T14:48:39.264Z
Updated: 2026-10-15T01:02:07.725Z

Stack: system

Affected products and versions

red hat enterprise linux 10
Versions
- ≥ 0:2.80.4-4.el10_0.6: Not affected (rpm)
No fix published
red hat enterprise linux 8
Versions
- ≥ 0:2.56.4-166.el8_10: Not affected (rpm)
No fix published
red hat enterprise linux 8.2 advanced update support
Versions
- ≥ 0:2.56.4-8.el8_2.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 advanced mission critical update support
Versions
- ≥ 0:2.56.4-10.el8_4.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.4 extended update support long-life add-on
Versions
- ≥ 0:2.56.4-10.el8_4.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 advanced mission critical update support
Versions
- ≥ 0:2.56.4-158.el8_6.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 telecommunications update service
Versions
- ≥ 0:2.56.4-158.el8_6.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.6 update services for sap solutions
Versions
- ≥ 0:2.56.4-158.el8_6.2: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 telecommunications update service
Versions
- ≥ 0:2.56.4-162.el8_8: Not affected (rpm)
No fix published
red hat enterprise linux 8.8 update services for sap solutions
Versions
- ≥ 0:2.56.4-162.el8_8: Not affected (rpm)
No fix published
red hat enterprise linux 9
Versions
- ≥ 0:2.68.4-16.el9_6.2: Not affected (rpm)
No fix published
red hat enterprise linux 9.0 update services for sap solutions
Versions
- ≥ 0:2.68.4-5.el9_0.2: Not affected (rpm)
No fix published
red hat enterprise linux 9.2 update services for sap solutions
Versions
- ≥ 0:2.68.4-7.el9_2.2: Not affected (rpm)
No fix published
red hat enterprise linux 9.4 extended update support
Versions
- ≥ 0:2.68.4-14.el9_4.3: Not affected (rpm)
No fix published
red hat insights proxy 1.5
Versions
- ≥ 1.5.5-1754504343: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265330: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265394: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265332: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265435: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265342: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753269432: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265411: Not affected (rpm)
No fix published
red hat openshift distributed tracing 3.6.0
Versions
- ≥ rhosdt-3.6-1753265314: Not affected (rpm)
No fix published
red hat enterprise linux 10
No fix published

Original sources

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