Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNOME | glib | < 2.86.3 | 2.86.3 |
| 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 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | glib2.0 | 2.86.3-1 | — |
| Debian 13 | glib2.0 | 2.84.4-3~deb13u2 | — |
| Debian 12 | glib2.0 | 2.74.6-2+deb12u8 | — |
| Debian 11 | glib2.0 | 2.66.8-1+deb11u7 | DLA-4412-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | glib2.0 | 2.86.0-2ubuntu0.1 | USN-7942-1 |
| Ubuntu 24.04 LTS | glib2.0 | 2.80.0-6ubuntu3.6 | USN-7942-1 |
| Ubuntu 22.04 LTS | glib2.0 | 2.72.4-0ubuntu2.7 | USN-7942-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | glib2.0 | 2.64.6-1~ubuntu20.04.9+esm1 | — |
| Ubuntu Pro 18.04 LTS | glib2.0 | 2.56.4-0ubuntu0.18.04.9+esm5 | — |
| Ubuntu Pro 16.04 LTS | glib2.0 | 2.48.2-0ubuntu4.8+esm5 | — |
| Ubuntu Pro 14.04 LTS | glib2.0 | 2.40.2-0ubuntu1.1+esm7 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | glib2 +4 | 2.80.4-10.el10_1.13 | RHSA-2026:19148, RHSA-2026:15969 |
| RHEL 10 | mingw-glib2 +4 | 2.89.2-1.el10 | RHSA-2026:97163 |
| RHEL 9 | glib2 +4 | 2.68.4-18.el9_7.2 | RHSA-2026:19361, RHSA-2026:15971 |
| RHEL 8 | glib2 +5 | 2.56.4-169.el8_10 | RHSA-2026:15953 |
| RHEL 8 | mingw-glib2 +4 | 2.70.1-9.el8_10 | RHSA-2026:49512 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | glib2 +4 | 2.80.4-4.el10_0.9 | RHSA-2026:19567 |
| RHEL 9.6 EUS | glib2 +4 | 2.68.4-16.el9_6.5 | RHSA-2026:19457 |
| RHEL 9.4 EUS | glib2 +4 | 2.68.4-14.el9_4.6 | RHSA-2026:19452 |
| RHEL 9.2 E4S | glib2 +3 | 2.68.4-7.el9_2.5 | RHSA-2026:19460 |
| RHEL 9.0 E4S | glib2 +3 | 2.68.4-5.el9_0.5 | RHSA-2026:19459 |
| RHEL 8.8 TUS | glib2 +3 | 2.56.4-165.el8_8 | RHSA-2026:19523 |
| RHEL 8.8 E4S | glib2 +3 | 2.56.4-165.el8_8 | RHSA-2026:19523 |
| RHEL 8.6 TUS | glib2 +3 | 2.56.4-158.el8_6.5 | RHSA-2026:19524 |
| RHEL 8.6 E4S | glib2 +3 | 2.56.4-158.el8_6.5 | RHSA-2026:19524 |
| RHEL 8.6 AUS | glib2 +3 | 2.56.4-158.el8_6.5 | RHSA-2026:19524 |
| RHEL 8.4 EUS Long Life | glib2 +3 | 2.56.4-10.el8_4.5 | RHSA-2026:19565 |
| RHEL 8.4 AUS | glib2 +3 | 2.56.4-10.el8_4.5 | RHSA-2026:19565 |
| RHEL 7 ELS | glib2 +5 | 2.56.1-12.el7_9 | RHSA-2026:19566 |
| Red Hat Hardened Images 1 | glib2 +4 | 2.88.0-1.1.hum1 | RHSA-2026:7461 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | glib2 +4 | 2.80.4-10.el10_1.13 | ALSA-2026:19148, ALSA-2026:15969 |
| AlmaLinux 9 | glib2 +4 | 2.68.4-18.el9_7.2 | ALSA-2026:19361, ALSA-2026:15971 |
| AlmaLinux 8 | glib2 +5 | 2.56.4-169.el8_10 | ALSA-2026:15953 |
| AlmaLinux 8 | mingw32-glib2 +3 | 2.70.1-9.el8_10 | ALSA-2026:49512 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | glib2 | 2.80.4-10.el10_1.13 | RLSA-2026:19148, RLSA-2026:15969 |
| Rocky Linux 10 | mingw32-glib2 +3 | 2.89.2-1.el10 | RLSA-2026:97163 |
| Rocky Linux 9 | glib2 | 2.68.4-18.el9_7.2 | RLSA-2026:19361, RLSA-2026:15971 |
| Rocky Linux 8 | glib2 | 2.56.4-169.el8_10 | RLSA-2026:15953 |
| Rocky Linux 8 | mingw-glib2 | 2.70.1-9.el8_10 | RLSA-2026:49512 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | glib2 | 2.78.6-150600.4.25.1 | SUSE-SU-2026:0018-1 |
| SLES 15 SP6 | glib2 | 2.78.6-150600.4.25.1 | SUSE-SU-2026:0018-1 |
| SLES 15 SP5 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLES 15 SP4 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLES 15 SP3 | glib2 | 2.62.6-150200.3.36.1 | SUSE-SU-2025:4442-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | glib2 | 2.48.2-12.52.1 | SUSE-SU-2025:4441-1 |
| SLES for SAP 16.0 | glib2 +1 | 2.84.4-160000.1.1 | SUSE-SU-2026:20032-1 |
| SLES for SAP 16.0 | glib2-branding-SLE | 16-160000.2.2 | SUSE-SU-2026:20032-1 |
| SLES for SAP 15 SP6 | glib2 | 2.78.6-150600.4.25.1 | SUSE-SU-2026:0018-1 |
| SLES for SAP 15 SP5 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLES for SAP 15 SP4 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLES for SAP 15 SP3 | glib2 | 2.62.6-150200.3.36.1 | SUSE-SU-2025:4442-1 |
| SLES 16.0 | glib2 +1 | 2.84.4-160000.1.1 | SUSE-SU-2026:20032-1 |
| SLES 16.0 | glib2-branding-SLE | 16-160000.2.2 | SUSE-SU-2026:20032-1 |
| SLE Micro 6.2 | glib2 | 2.84.4-160000.1.1 | SUSE-SU-2026:20074-1 |
| SLE Micro 6.2 | glib2-branding-SLE | 16-160000.2.2 | SUSE-SU-2026:20074-1 |
| SLE Micro 6.1 | glib2 | 2.78.6-slfo.1.1_6.1 | SUSE-SU-2026:20493-1 |
| SLE Micro 6.0 | glib2 | 2.76.2-11.1 | SUSE-SU-2026:20045-1 |
| SLE Micro 5.5 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLE Micro 5.4 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLE Micro 5.3 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLE Micro 5.2 | glib2 | 2.62.6-150200.3.36.1 | SUSE-SU-2025:4442-1 |
| SLE HPC 15 SP5 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLE HPC 15 SP4 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SLE HPC 15 SP3 | glib2 | 2.62.6-150200.3.36.1 | SUSE-SU-2025:4442-1 |
| SUSE Manager Server LTS 4.3 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SUSE Manager Proxy LTS 4.3 | glib2 | 2.70.5-150400.3.29.1 | SUSE-SU-2025:4504-1 |
| SUSE Enterprise Storage 7.1 | glib2 | 2.62.6-150200.3.36.1 | SUSE-SU-2025:4442-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | glib2 +1 | 2.84.4-160000.1.1 | openSUSE-SU-2026:20018-1 |
| openSUSE Leap 15.6 | glib2 +1 | 2.78.6-150600.4.25.1 | SUSE-SU-2026:0018-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | glib2 +4 | 2.82.2-769.amzn2023 | ALAS2023-2025-1349 |
| Amazon Linux 2 | glib2 +5 | 2.56.1-9.amzn2.0.13 | ALAS2-2025-3117 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | glib | 2.78.6-6 | — |
| Azure Linux 2 (CBL-Mariner) | glib | 2.71.0-9 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | glib2 +4 | 2.80.4-10.el10_1.13 | ELSA-2026-19148, ELSA-2026-15969 |
| Oracle Linux 9 | glib2 +4 | 2.68.4-18.el9_7.2 | ELSA-2026-19361, ELSA-2026-15971 |
| Oracle Linux 8 | glib2 +5 | 2.56.4-169.el8_10 | ELSA-2026-15953 |
| Oracle Linux 8 | mingw32-glib2 +3 | 2.70.1-9.el8_10 | ELSA-2026-49512 |
| Oracle Linux 7 | glib2 +5 | 2.56.1-9.0.5.el7_9 | ELSA-2026-19566 |
Advisories 50
- RHSA-2026:97163 Red Hat Security Advisory: mingw-glib2 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RLSA-2026:97163 Moderate: mingw-glib2 security, bug fix, and enhancement update Rocky Linux Security Advisories · Nov 13, 2026
- WID-SEC-2026-1453 Red Hat Enterprise Linux (glib): Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- ALSA-2026:15969 Moderate: glib2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:19361 Moderate: glib2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:15971 Moderate: glib2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:19148 Moderate: glib2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:49512 Important: mingw-glib2 security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:15953 Moderate: glib2 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-2437 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 22, 2026
- WID-SEC-2026-3623 IBM DataPower Gateway: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026
- RHSA-2026:49512 Red Hat Security Advisory: mingw-glib2 security update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- NCSC-2026-0431 Kwetsbaarheden verholpen in IBM DataPower Gateway en onderliggende componenten NCSC-NL (Netherlands) · Oct 16, 2026
- RHSA-2026:7461 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19567 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19565 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19566 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19523 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19524 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19460 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19459 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19457 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19452 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19361 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:19148 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:15969 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:15971 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2026:15953 Red Hat Security Advisory: glib2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- WID-SEC-2026-0349 Dell Avamar und NetWorker: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
- RLSA-2026:49512 Important: mingw-glib2 security update Rocky Linux Security Advisories · Aug 4, 2026
- ELSA-2026-49512 Important: mingw-glib2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 4, 2026
- WID-SEC-2026-1730 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Jul 16, 2026
- ELSA-2026-19148 Moderate: glib2 security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 16, 2026
- ELSA-2026-19566 Moderate: glib2 security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 1, 2026
- ELSA-2026-19361 Moderate: glib2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jun 23, 2026
- RLSA-2026:19148 Moderate: glib2 security update Rocky Linux Security Advisories · May 29, 2026
- RLSA-2026:19361 Moderate: glib2 security update Rocky Linux Security Advisories · May 28, 2026
- RLSA-2026:15969 Moderate: glib2 security update Rocky Linux Security Advisories · May 13, 2026
- RLSA-2026:15971 Moderate: glib2 security update Rocky Linux Security Advisories · May 13, 2026
- RLSA-2026:15953 Moderate: glib2 security update Rocky Linux Security Advisories · May 13, 2026
- WID-SEC-2026-0778 Dell Secure Connect Gateway Policy Manager: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
- ELSA-2026-15969 Moderate: glib2 security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · May 11, 2026
- ELSA-2026-15971 Moderate: glib2 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 11, 2026
- ELSA-2026-15953 Moderate: glib2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 11, 2026
- USN-7942-1 glib2.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2026:20018-1 Security update for glib2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20493-1 Security update for glib2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20074-1 Security update for glib2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20045-1 Security update for glib2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20032-1 Security update for glib2 SUSE / openSUSE Security Updates · Mar 23, 2026
References
- RHSA-2026:15953 vendor-advisory
- RHSA-2026:15969 vendor-advisory
- RHSA-2026:15971 vendor-advisory
- RHSA-2026:19148 vendor-advisory
- RHSA-2026:19361 vendor-advisory
- RHSA-2026:19452 vendor-advisory
- RHSA-2026:19457 vendor-advisory
- RHSA-2026:19459 vendor-advisory
- RHSA-2026:19460 vendor-advisory
- RHSA-2026:19523 vendor-advisory
- RHSA-2026:19524 vendor-advisory
- RHSA-2026:19565 vendor-advisory
- RHSA-2026:19566 vendor-advisory
- RHSA-2026:19567 vendor-advisory
- RHSA-2026:21275 vendor-advisory
- RHSA-2026:22634 vendor-advisory
- RHSA-2026:25096 vendor-advisory
- RHSA-2026:29197 vendor-advisory
- RHSA-2026:49512 vendor-advisory
- RHSA-2026:58981 vendor-advisory
- RHSA-2026:72502 vendor-advisory
- RHSA-2026:7461 vendor-advisory
- RHSA-2026:74674 vendor-advisory
- RHSA-2026:82304 vendor-advisory
- RHSA-2026:82322 vendor-advisory
- RHSA-2026:82347 vendor-advisory
- RHSA-2026:82354 vendor-advisory
- RHSA-2026:82372 vendor-advisory
- RHSA-2026:82857 vendor-advisory
- RHSA-2026:82888 vendor-advisory
- RHSA-2026:97163 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2025-14087 vdb-entry
- RHBZ#2419093 issue-tracking
- https://gitlab.gnome.org/GNOME/glib/-/issues/3834