Skip to content
Fencer Intel
medium 5.6

CVE-2025-14087 json

Glib: glib: buffer underflow in gvariant parser leads to heap corruption

published 11mo ago modified yesterday also EUVD-2025-202405 , GHSA-frh9-7wfp-w73p , JLSEC-2026-488

cvss
5.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input strings.

Patch / fix

  • julia Glib_jll 2.86.3+0
  • GNOME glib 2.86.3
  • Red Hat Red Hat Enterprise Linux 10 0:2.80.4-10.el10_1.13, 0:2.80.4-12.el10_2.13, 0:2.89.2-1.el10
  • Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 0:2.80.4-4.el10_0.9
  • Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.56.1-12.el7_9
  • Red Hat Red Hat Enterprise Linux 8 0:2.56.4-169.el8_10, 0:2.70.1-9.el8_10
  • Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.56.4-10.el8_4.5
  • Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 0:2.56.4-10.el8_4.5
  • Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.56.4-158.el8_6.5
  • Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.56.4-158.el8_6.5
  • Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.56.4-158.el8_6.5
  • Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 0:2.56.4-165.el8_8
  • Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 0:2.56.4-165.el8_8
  • Red Hat Red Hat Enterprise Linux 9 0:2.68.4-18.el9_7.2, 0:2.68.4-19.el9_8.1
  • Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.68.4-5.el9_0.5
  • Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 0:2.68.4-7.el9_2.5
  • Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.68.4-14.el9_4.6
  • Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 0:2.68.4-16.el9_6.5
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.17 1791371069, 1791371080, 1791788287, 1791970484
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.18 1789029076, 1791459707, 1791459711, 1791459759, 1791966259
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.20 1790598593
  • Red Hat Red Hat AI Inference Server 3.2 1780681984
  • Red Hat Red Hat Discovery 2 1782159791, 1782166952
  • Red Hat Red Hat Hardened Images 2.88.0-1.1.hum1
  • Red Hat Red Hat Insights proxy 1.5 1780420428
  • Red Hat Red Hat OpenShift AI 3.4 1790703542
  • Red Hat Red Hat Update Infrastructure 5 1779798159, 1779798164, 1779798165, 1779798222, 1787135742, 1787241211, 1787241260
  • glib2.0 Debian 12 2.74.6-2+deb12u8
  • glib2.0 Debian 13 2.84.4-3~deb13u2
  • glib2.0 Debian 14 2.86.3-1

debian advisories DEBIAN-CVE-2025-14087

  • glib2.0 Ubuntu 22.04 LTS 2.72.4-0ubuntu2.7
  • glib2.0 Ubuntu 24.04 LTS 2.80.0-6ubuntu3.6
  • glib2.0 Ubuntu 25.10 2.86.0-2ubuntu0.1
  • glib2.0 Ubuntu Pro 14.04 LTS 2.40.2-0ubuntu1.1+esm7
  • glib2.0 Ubuntu Pro 16.04 LTS 2.48.2-0ubuntu4.8+esm5
  • glib2.0 Ubuntu Pro 18.04 LTS 2.56.4-0ubuntu0.18.04.9+esm5
  • glib2.0 Ubuntu Pro 20.04 LTS 2.64.6-1~ubuntu20.04.9+esm1

ubuntu advisories UBUNTU-CVE-2025-14087

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mingw-glib2 RHEL 8 2.70.1-9.el8_10
  • mingw32-glib2 RHEL 8 2.70.1-9.el8_10
  • mingw64-glib2 RHEL 8 2.70.1-9.el8_10
  • glib2 RHEL 9 2.68.4-19.el9_8.1
  • glib2-tests RHEL 9 2.68.4-19.el9_8.1
  • glib2 RHEL 10.2 2.80.4-12.el10_2.13
  • glib2-tests RHEL 10.2 2.80.4-12.el10_2.13
  • glib2 RHEL 9 2.68.4-18.el9_7.2

red hat advisories RHSA-2026:49512RHSA-2026:19567RHSA-2026:19566RHSA-2026:19565RHSA-2026:19524RHSA-2026:19523

  • glib2 Linux Micro 6.1 2.78.6-slfo.1.1_6.1
  • glib2 SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 2.84.4-160000.1.1
  • glib2-branding-SLE SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 16-160000.2.2
  • glib2 Linux Micro 6.0 2.76.2-11.1
  • glib2 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Basesystem 15 SP7 +1 more 2.78.6-150600.4.25.1
  • glib2 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +10 more 2.70.5-150400.3.29.1
  • glib2 SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +2 more 2.62.6-150200.3.36.1
  • glib2 SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 2.48.2-12.52.1

suse advisories SUSE-SU-2026:20493-1SUSE-SU-2026:20032-1SUSE-SU-2026:20074-1SUSE-SU-2026:20045-1SUSE-SU-2026:0018-1SUSE-SU-2025:4504-1

  • glib2 openSUSE Leap 16.0 2.84.4-160000.1.1

opensuse advisories openSUSE-SU-2026:20018-1

  • mingw32-glib2 AlmaLinux 8 2.70.1-9.el8_10
  • mingw64-glib2 AlmaLinux 8 2.70.1-9.el8_10
  • glib2 AlmaLinux 10 2.80.4-12.el10_2.13
  • glib2-tests AlmaLinux 10 2.80.4-12.el10_2.13
  • glib2 AlmaLinux 9 2.68.4-19.el9_8.1
  • glib2-tests AlmaLinux 9 2.68.4-19.el9_8.1
  • glib2 AlmaLinux 8 2.56.4-169.el8_10
  • glib2-fam AlmaLinux 8 2.56.4-169.el8_10

almalinux advisories ALSA-2026:49512ALSA-2026:19148ALSA-2026:19361ALSA-2026:15953ALSA-2026:15969ALSA-2026:15971

  • mingw-glib2 Rocky Linux 8 2.70.1-9.el8_10
  • glib2 Rocky Linux 10 2.80.4-12.el10_2.13
  • glib2 Rocky Linux 9 2.68.4-19.el9_8.1
  • glib2 Rocky Linux 10 2.80.4-10.el10_1.13
  • glib2 Rocky Linux 9 2.68.4-18.el9_7.2
  • glib2 Rocky Linux 8 2.56.4-169.el8_10

rocky linux advisories RLSA-2026:49512RLSA-2026:19148RLSA-2026:19361RLSA-2026:15969RLSA-2026:15971RLSA-2026:15953

  • glib Azure Linux 3.0 2.78.6-6
  • glib CBL-Mariner 2.0 2.71.0-9

azure linux advisories AZL-72283AZL-72296

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2025-14087 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-14087 updated cvss 5.6

glib: GLib: Buffer underflow in GVariant parser leads to heap corruption

  • Red Hat Enterprise Linux 6 glib2
    affected: workaround, no fix available
  • Red Hat Enterprise Linux 9 mingw-glib2, mingw32-glib2, mingw64-glib2
    affected: workaround, no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4 openshift4/ose-hypershift-rhel9
    under investigation
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.17 cert-manager/cert-manager-operator-rhel9 1791788287, cert-manager/jetstack-cert-manager-rhel9 1791371069, cert-manager/cert-manager-operator-bundle 1791970484, cert-manager/jetstack-cert-manager-acmesolver-rhel9 1791371080
    fixed: vendor fix RHSA-2026:82888
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.18 cert-manager/cert-manager-operator-rhel9 1789029076, cert-manager/jetstack-cert-manager-rhel9 1791459711, cert-manager/cert-manager-istio-csr-rhel9 1791459759, cert-manager/cert-manager-operator-bundle 1791966259, cert-manager/jetstack-cert-manager-acmesolver-rhel9 1791459707
    fixed: vendor fix RHSA-2026:82354
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.20 cert-manager/cert-manager-trust-manager-rhel9 1790598593
    fixed: vendor fix RHSA-2026:72502
  • Red Hat AI Inference Server 3.2 rhaiis/model-opt-cuda-rhel9 1780681984
    fixed: vendor fix RHSA-2026:25096
  • Red Hat CodeReady Linux Builder EUS (v.9.4) glib2-static 2.68.4-14.el9_4.6, glib2-debuginfo 2.68.4-14.el9_4.6, glib2-debugsource 2.68.4-14.el9_4.6, glib2-devel-debuginfo 2.68.4-14.el9_4.6, glib2-tests-debuginfo 2.68.4-14.el9_4.6
    fixed: vendor fix RHSA-2026:19452
show 30 more
  • Red Hat CodeReady Linux Builder EUS (v.9.6) glib2-static 2.68.4-16.el9_6.5, glib2-debuginfo 2.68.4-16.el9_6.5, glib2-debugsource 2.68.4-16.el9_6.5, glib2-devel-debuginfo 2.68.4-16.el9_6.5, glib2-tests-debuginfo 2.68.4-16.el9_6.5
    fixed: vendor fix RHSA-2026:19457
  • Red Hat Discovery 2 discovery/discovery-ui-rhel9 1782166952, discovery/discovery-server-rhel9 1782159791
    fixed: vendor fix RHSA-2026:29197
  • Red Hat Enterprise Linux AppStream (v. 9) glib2-tests 2.68.4-18.el9_7.2, glib2-tests 2.68.4-19.el9_8.1
    fixed: vendor fix RHSA-2026:15971
  • Red Hat Enterprise Linux AppStream (v. 10) glib2-tests 2.80.4-10.el10_1.13, glib2-tests 2.80.4-12.el10_2.13
    fixed: vendor fix RHSA-2026:15969
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) glib2-tests 2.68.4-5.el9_0.5
    fixed: vendor fix RHSA-2026:19459
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) glib2-tests 2.68.4-7.el9_2.5
    fixed: vendor fix RHSA-2026:19460
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) glib2-tests 2.80.4-4.el10_0.9
    fixed: vendor fix RHSA-2026:19567
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) glib2-tests 2.68.4-14.el9_4.6
    fixed: vendor fix RHSA-2026:19452
  • Red Hat Enterprise Linux AppStream EUS (v.9.6) glib2-tests 2.68.4-16.el9_6.5
    fixed: vendor fix RHSA-2026:19457
  • Red Hat Enterprise Linux BaseOS (v. 8) glib2 2.56.4-169.el8_10, glib2-fam 2.56.4-169.el8_10, glib2-tests 2.56.4-169.el8_10
    fixed: vendor fix RHSA-2026:15953
  • Red Hat Enterprise Linux BaseOS (v. 9) glib2 2.68.4-18.el9_7.2, glib2 2.68.4-19.el9_8.1
    fixed: vendor fix RHSA-2026:15971
  • Red Hat Enterprise Linux BaseOS (v. 10) glib2 2.80.4-10.el10_1.13, glib2 2.80.4-12.el10_2.13
    fixed: vendor fix RHSA-2026:15969
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) glib2 2.56.4-10.el8_4.5, glib2-fam 2.56.4-10.el8_4.5, glib2-tests 2.56.4-10.el8_4.5
    fixed: vendor fix RHSA-2026:19565
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) glib2 2.56.4-158.el8_6.5, glib2-fam 2.56.4-158.el8_6.5, glib2-tests 2.56.4-158.el8_6.5 Red Hat Enterprise Linux BaseOS E4S (v.8.6) glib2 2.56.4-158.el8_6.5, glib2-fam 2.56.4-158.el8_6.5, glib2-tests 2.56.4-158.el8_6.5
    fixed: vendor fix RHSA-2026:19524
  • Red Hat Enterprise Linux BaseOS E4S (v.8.8) glib2 2.56.4-165.el8_8, glib2-fam 2.56.4-165.el8_8, glib2-tests 2.56.4-165.el8_8
    fixed: vendor fix RHSA-2026:19523
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) glib2 2.68.4-5.el9_0.5
    fixed: vendor fix RHSA-2026:19459
  • Red Hat Enterprise Linux BaseOS E4S (v.9.2) glib2 2.68.4-7.el9_2.5
    fixed: vendor fix RHSA-2026:19460
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) glib2 2.80.4-4.el10_0.9
    fixed: vendor fix RHSA-2026:19567
  • Red Hat Enterprise Linux BaseOS EUS (v.9.4) glib2 2.68.4-14.el9_4.6
    fixed: vendor fix RHSA-2026:19452
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6) glib2 2.68.4-16.el9_6.5
    fixed: vendor fix RHSA-2026:19457
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) glib2 2.56.4-10.el8_4.5, glib2-fam 2.56.4-10.el8_4.5, glib2-tests 2.56.4-10.el8_4.5
    fixed: vendor fix RHSA-2026:19565
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) glib2 2.56.4-158.el8_6.5, glib2-fam 2.56.4-158.el8_6.5, glib2-tests 2.56.4-158.el8_6.5
    fixed: vendor fix RHSA-2026:19524
  • Red Hat Enterprise Linux BaseOS TUS (v.8.8) glib2 2.56.4-165.el8_8, glib2-fam 2.56.4-165.el8_8, glib2-tests 2.56.4-165.el8_8
    fixed: vendor fix RHSA-2026:19523
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) glib2-static 2.68.4-18.el9_7.2, glib2-static 2.68.4-19.el9_8.1, glib2-debuginfo 2.68.4-18.el9_7.2, glib2-debuginfo 2.68.4-19.el9_8.1, glib2-debugsource 2.68.4-18.el9_7.2, glib2-debugsource 2.68.4-19.el9_8.1, +4 more
    fixed: vendor fix RHSA-2026:15971
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) mingw-glib2 2.89.2-1.el10, mingw32-glib2 2.89.2-1.el10, mingw64-glib2 2.89.2-1.el10
    fixed: vendor fix RHSA-2026:15969
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) glib2-doc 2.80.4-4.el10_0.9, glib2-static 2.80.4-4.el10_0.9, glib2-debuginfo 2.80.4-4.el10_0.9, glib2-debugsource 2.80.4-4.el10_0.9, glib2-devel-debuginfo 2.80.4-4.el10_0.9, glib2-tests-debuginfo 2.80.4-4.el10_0.9
    fixed: vendor fix RHSA-2026:19567
  • Red Hat Enterprise Linux CRB (v. 8) mingw-glib2 2.70.1-9.el8_10, mingw32-glib2 2.70.1-9.el8_10, mingw64-glib2 2.70.1-9.el8_10
    fixed: vendor fix RHSA-2026:15953
  • Red Hat Enterprise Linux Server (v. 7 ELS) glib2 2.56.1-12.el7_9 Red Hat Enterprise Linux Server Optional (v. 7 ELS) glib2-fam 2.56.1-12.el7_9, glib2-tests 2.56.1-12.el7_9
    fixed: vendor fix RHSA-2026:19566
  • Red Hat Hardened Images glib2 2.88.0-1.1.hum1, glib2-tests 2.88.0-1.1.hum1
    fixed: vendor fix RHSA-2026:7461
  • Red Hat Insights proxy 1.5 insights-proxy/insights-proxy-container-rhel9 1780420428
    fixed: vendor fix RHSA-2026:22634

2 more fixed, 4 more not affected in the full advisory

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
11mo ago

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia Glib_jll
<2.86.3+0
2.86.3+0

Affected products

  • GNOME glib
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  • Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
  • Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  • Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
  • Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
  • Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.17
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.18
  • Red Hat Cert Manager support for Red Hat OpenShift release 1.20
  • Red Hat Red Hat AI Inference Server 3.2
  • Red Hat Red Hat Discovery 2
  • Red Hat Red Hat Hardened Images
  • Red Hat Red Hat Insights proxy 1.5
  • Red Hat Red Hat OpenShift AI 3.4
  • Red Hat Red Hat Update Infrastructure 5
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat OpenShift Container Platform 4

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.