---
id: CVE-2025-14512
title: A flaw was found in glib
summary: >-
  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 files…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-190
vendor: gnome
product: glib
affected:
  - glib < 2.86.3
  - openshift = 4.0
  - enterprise_linux = 7.0
  - enterprise_linux = 8.0
  - enterprise_linux = 9.0
  - enterprise_linux = 10.0
patched:
  - glib 2.86.3
published: '2025-12-11'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14512'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2026:15953'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:15969'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:15971'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19148'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19361'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19452'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19457'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19459'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19460'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19523'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19524'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19565'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19567'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:21275'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:22634'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:25096'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:29197'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:7461'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2025-14512'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2421339'
    label: secalert@redhat.com
  - url: 'https://gitlab.gnome.org/GNOME/glib/-/issues/3845'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00579
epssPercentile: 0.45226
ingestedAt: '2026-06-29T13:24:34.620Z'
---

## Overview

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.

## Affected

- `glib < 2.86.3`
- `openshift = 4.0`
- `enterprise_linux = 7.0`
- `enterprise_linux = 8.0`
- `enterprise_linux = 9.0`
- `enterprise_linux = 10.0`

## Remediation

Upgrade past the affected range:

- `glib 2.86.3`