---
id: CVE-2025-60018
title: >-
  glib-networking's OpenSSL backend fails to properly check the return value of
  a call to BIO_write(), resulting in an out of bounds read.
summary: >-
  glib-networking's OpenSSL backend fails to properly check the return value of
  a call to BIO_write(), resulting in an out of bounds read.
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L'
cwe:
  - CWE-125
published: '2025-09-25'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-60018'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2025-60018'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2398135'
    label: secalert@redhat.com
  - url: 'https://gitlab.gnome.org/GNOME/glib-networking/-/issues/226'
    label: secalert@redhat.com
tags:
  - nvd
epss: 0.00309
epssPercentile: 0.21089
ingestedAt: '2026-06-29T13:24:34.578Z'
---

## Overview

glib-networking's OpenSSL backend fails to properly check the return value of a call to BIO_write(), resulting in an out of bounds read.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.