CVE-2025-14087
Glib: glib: buffer underflow in gvariant parser leads to heap corruption
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-190 |
| Vendor | gnome |
| Product | glib |
| Published | Dec 10, 2025 |
| Last Updated | Jun 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
GNOME / glib
0 < 2.86.3
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 9.4 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support
All versions affected Red Hat / Red Hat Hardened Images
All versions affected Red Hat / Red Hat Insights proxy 1.5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Update Infrastructure 5
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:15953 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:15969 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:15971 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19148 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19361 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19452 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19457 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19459 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19460 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19523 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19524 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19565 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19566 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:19567 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:21275 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:22634 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:7461 access.redhat.com: https://access.redhat.com/security/cve/CVE-2025-14087 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2419093 gitlab.gnome.org: https://gitlab.gnome.org/GNOME/glib/-/issues/3834
Credits
Red Hat would like to thank Sovereign Tech Resilience program (Sovereign Tech Agency) and treeplus for reporting this issue.