CVE-2025-14087
medium
CVSS v3
5.6
CVSS v4 NEW
—
VIR risk
5.6
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.
Predictions
Exploit likelihood
66%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API
Description glib: GLib: Buffer underflow in GVariant parser leads to heap corruption Red Hat statement The highest threat is to system availability due to potential application crashes when processing maliciously crafted input strings through GLib's GVariant parser. This issue affects applications that utilize g_variant_parse() on untrusted data, leading to memory corruption and possible denial…
Description
glib: GLib: Buffer underflow in GVariant parser leads to heap corruption
Red Hat statement
The highest threat is to system availability due to potential application crashes when processing maliciously crafted input strings through GLib's GVariant parser. This issue affects applications that utilize g_variant_parse() on untrusted data, leading to memory corruption and possible denial of service.
CVSS v3: 5.6 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
Errata / fixed releases
| Product | Package | Advisory | Released |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | glib2-0:2.80.4-10.el10_1.13 | RHSA-2026:15969 | 2026-05-11T00:00:00Z |
| Red Hat Enterprise Linux 10 | glib2-0:2.80.4-12.el10_2.13 | RHSA-2026:19148 | 2026-05-19T00:00:00Z |
| Red Hat Enterprise Linux 10.0 Extended Update Support | glib2-0:2.80.4-4.el10_0.9 | RHSA-2026:19567 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | glib2-0:2.56.1-12.el7_9 | RHSA-2026:19566 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8 | glib2-0:2.56.4-169.el8_10 | RHSA-2026:15953 | 2026-05-11T00:00:00Z |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | glib2-0:2.56.4-10.el8_4.5 | RHSA-2026:19565 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | glib2-0:2.56.4-10.el8_4.5 | RHSA-2026:19565 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | glib2-0:2.56.4-158.el8_6.5 | RHSA-2026:19524 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | glib2-0:2.56.4-158.el8_6.5 | RHSA-2026:19524 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | glib2-0:2.56.4-158.el8_6.5 | RHSA-2026:19524 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | glib2-0:2.56.4-165.el8_8 | RHSA-2026:19523 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | glib2-0:2.56.4-165.el8_8 | RHSA-2026:19523 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 9 | glib2-0:2.68.4-18.el9_7.2 | RHSA-2026:15971 | 2026-05-11T00:00:00Z |
| Red Hat Enterprise Linux 9 | glib2-0:2.68.4-19.el9_8.1 | RHSA-2026:19361 | 2026-05-19T00:00:00Z |
| Red Hat Enterprise Linux 9 | glib2-0:2.68.4-18.el9_7.2 | RHSA-2026:15971 | 2026-05-11T00:00:00Z |
| Red Hat Enterprise Linux 9 | glib2-0:2.68.4-19.el9_8.1 | RHSA-2026:19361 | 2026-05-19T00:00:00Z |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | glib2-0:2.68.4-5.el9_0.5 | RHSA-2026:19459 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | glib2-0:2.68.4-7.el9_2.5 | RHSA-2026:19460 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 9.4 Extended Update Support | glib2-0:2.68.4-14.el9_4.6 | RHSA-2026:19452 | 2026-05-20T00:00:00Z |
| Red Hat Enterprise Linux 9.6 Extended Update Support | glib2-0:2.68.4-16.el9_6.5 | RHSA-2026:19457 | 2026-05-20T00:00:00Z |
| Red Hat Hardened Images | glib2-main-2.88.0-1.1.hum1 | RHSA-2026:7461 | 2026-04-10T00:00:00Z |
| Red Hat Update Infrastructure 5 | rhui5/cds-rhel9:1779798159 | RHSA-2026:21275 | 2026-05-27T00:00:00Z |
| Red Hat Update Infrastructure 5 | rhui5/haproxy-rhel9:1779798164 | RHSA-2026:21275 | 2026-05-27T00:00:00Z |
| Red Hat Update Infrastructure 5 | rhui5/installer-rhel9:1779798165 | RHSA-2026:21275 | 2026-05-27T00:00:00Z |
| Red Hat Update Infrastructure 5 | rhui5/rhua-rhel9:1779798222 | RHSA-2026:21275 | 2026-05-27T00:00:00Z |
Package state
| Product | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 10 | bootc | Not affected |
| Red Hat Enterprise Linux 10 | glycin-loaders | Not affected |
| Red Hat Enterprise Linux 10 | loupe | Not affected |
| Red Hat Enterprise Linux 10 | mingw-glib2 | Affected |
| Red Hat Enterprise Linux 10 | papers | Not affected |
| Red Hat Enterprise Linux 10 | rpm-ostree | Not affected |
| Red Hat Enterprise Linux 6 | glib2 | Affected |
| Red Hat Enterprise Linux 8 | librsvg2 | Not affected |
| Red Hat Enterprise Linux 8 | mingw-glib2 | Affected |
| Red Hat Enterprise Linux 9 | bootc | Not affected |
| Red Hat Enterprise Linux 9 | librsvg2 | Not affected |
| Red Hat Enterprise Linux 9 | mingw-glib2 | Will not fix |
Apply commands
Apply RHSA-2026:15969 for Red Hat Enterprise Linux 10
yum update -y glib2
# or:
dnf upgrade -y glib2Affected
| Vendor | Product | Version |
|---|---|---|
| redhat | Red Hat Enterprise Linux 10 | Not affected |
| redhat | Red Hat Enterprise Linux 10 | Not affected |
| redhat | Red Hat Enterprise Linux 10 | Not affected |
| redhat | Red Hat Enterprise Linux 10 | Affected |
| redhat | Red Hat Enterprise Linux 10 | Not affected |
| redhat | Red Hat Enterprise Linux 10 | Not affected |
| redhat | Red Hat Enterprise Linux 6 | Affected |
| redhat | Red Hat Enterprise Linux 8 | Not affected |
| redhat | Red Hat Enterprise Linux 8 | Affected |
| redhat | Red Hat Enterprise Linux 9 | Not affected |
| redhat | Red Hat Enterprise Linux 9 | Not affected |
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Red Hat Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.0 | Affected | — |
| 9.0 | Affected | — |
| 9 | Fixed | — |
| 8.0 | Affected | — |
| 8 | Fixed | — |
| 7.0 | Affected | — |
AlmaLinux Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | glib2-devel-2.68.4-18.el9_7.2.aarch64.rpm |
| 8 | Fixed | glib2-2.56.4-169.el8_10.i686.rpm |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.84.4-3~deb13u2 |
| sid | Fixed | 2.86.3-1 |
| forky | Fixed | 2.86.3-1 |
| bullseye | Fixed | 2.66.8-1+deb11u7 |
| bookworm | Fixed | 2.74.6-2+deb12u8 |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnome | glib | {"endExcluding":"2.86.3"} | 2.86.3 |
References
- 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-2026:19566
- https://access.redhat.com/errata/RHSA-2026:19567
- https://access.redhat.com/errata/RHSA-2026:21275
- https://access.redhat.com/errata/RHSA-2026:7461
- https://access.redhat.com/security/cve/CVE-2025-14087
- https://bugzilla.redhat.com/show_bug.cgi?id=2419093
- https://gitlab.gnome.org/GNOME/glib/-/issues/3834
- https://security-tracker.debian.org/tracker/CVE-2025-14087
- https://www.suse.com/security/cve/CVE-2025-14087.html
- https://bugzilla.redhat.com/2419093
- https://bugzilla.redhat.com/2421339
- https://errata.almalinux.org/8/ALSA-2026-15953.html
- https://errata.almalinux.org/9/ALSA-2026-19361.html
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.