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Vulnerability record · CVE-2025-14512 · published 11 December 2025

CVE-2025-14512: Gnome glib integer overflow vulnerability

Gnome · Glib

A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an integer overflow in GLib's GIO (GLib Input/Output) escape_byte_string() function when processing malicious file or remote filesystem attribute values.

6.5 CVSS 3.1 Medium EPSS 0.58% · top 54.6% CWE-190 · Integer overflow
6.5CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
22References
1 Sep 2026Last modified by NVD

Description

A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an integer overflow in GLib's GIO (GLib Input/Output) escape_byte_string() function when processing malicious file or remote filesystem attribute values.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:15953
https://access.redhat.com/errata/RHSA-2026:15969
https://access.redhat.com/errata/RHSA-2026:15971
https://access.redhat.com/errata/RHSA-2026:19148
https://access.redhat.com/errata/RHSA-2026:19361
https://access.redhat.com/errata/RHSA-2026:19452
https://access.redhat.com/errata/RHSA-2026:19457
https://access.redhat.com/errata/RHSA-2026:19459
https://access.redhat.com/errata/RHSA-2026:19460
https://access.redhat.com/errata/RHSA-2026:19523
https://access.redhat.com/errata/RHSA-2026:19524
https://access.redhat.com/errata/RHSA-2026:19565
https://access.redhat.com/errata/RHSA-2026:19567
https://access.redhat.com/errata/RHSA-2026:21275
https://access.redhat.com/errata/RHSA-2026:22634
https://access.redhat.com/errata/RHSA-2026:25096
https://access.redhat.com/errata/RHSA-2026:29197
https://access.redhat.com/errata/RHSA-2026:58981
https://access.redhat.com/errata/RHSA-2026:7461
https://access.redhat.com/security/cve/CVE-2025-14512 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2421339 Issue TrackingThird Party Advisory
https://gitlab.gnome.org/GNOME/glib/-/issues/3845

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Source: NIST National Vulnerability Database (record CVE-2025-14512), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.