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Vulnerability · Published Dec 10, 2025 · Assigned by redhat

CVE-2025-14087Glib: glib: buffer underflow in gvariant parser leads to heap corruption

Medium 5.6

In plain English

A medium-severity integer overflow in glib from GNOME. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)0.8%top 42.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10glib22.80.4-10.el10_1.13ALSA-2026:15969
AlmaLinux:10glib22.80.4-12.el10_2.13ALSA-2026:19148
AlmaLinux:8glib22.56.4-169.el8_10ALSA-2026:15953
AlmaLinux:9glib22.68.4-19.el9_8.1ALSA-2026:19361
AlmaLinux:9glib22.68.4-18.el9_7.2ALSA-2026:15971
AlmaLinux:10glib2-devel2.80.4-10.el10_1.13ALSA-2026:15969
AlmaLinux:10glib2-devel2.80.4-12.el10_2.13ALSA-2026:19148
AlmaLinux:8glib2-devel2.56.4-169.el8_10ALSA-2026:15953
AlmaLinux:9glib2-devel2.68.4-19.el9_8.1ALSA-2026:19361
AlmaLinux:9glib2-devel2.68.4-18.el9_7.2ALSA-2026:15971
AlmaLinux:10glib2-doc2.80.4-10.el10_1.13ALSA-2026:15969
AlmaLinux:10glib2-doc2.80.4-12.el10_2.13ALSA-2026:19148
AlmaLinux:8glib2-doc2.56.4-169.el8_10ALSA-2026:15953
AlmaLinux:9glib2-doc2.68.4-18.el9_7.2ALSA-2026:15971
AlmaLinux:9glib2-doc2.68.4-19.el9_8.1ALSA-2026:19361
AlmaLinux:8glib2-fam2.56.4-169.el8_10ALSA-2026:15953
AlmaLinux:10glib2-static2.80.4-10.el10_1.13ALSA-2026:15969
AlmaLinux:10glib2-static2.80.4-12.el10_2.13ALSA-2026:19148
AlmaLinux:8glib2-static2.56.4-169.el8_10ALSA-2026:15953
AlmaLinux:9glib2-static2.68.4-18.el9_7.2ALSA-2026:15971
AlmaLinux:9glib2-static2.68.4-19.el9_8.1ALSA-2026:19361
AlmaLinux:10glib2-tests2.80.4-10.el10_1.13ALSA-2026:15969
AlmaLinux:10glib2-tests2.80.4-12.el10_2.13ALSA-2026:19148
AlmaLinux:8glib2-tests2.56.4-169.el8_10ALSA-2026:15953
AlmaLinux:9glib2-tests2.68.4-19.el9_8.1ALSA-2026:19361
AlmaLinux:9glib2-tests2.68.4-18.el9_7.2ALSA-2026:15971
AlmaLinux:8mingw32-glib22.70.1-9.el8_10ALSA-2026:49512
AlmaLinux:8mingw32-glib2-static2.70.1-9.el8_10ALSA-2026:49512
AlmaLinux:8mingw64-glib22.70.1-9.el8_10ALSA-2026:49512
AlmaLinux:8mingw64-glib2-static2.70.1-9.el8_10ALSA-2026:49512
Debian:12glib2.02.74.6-2+deb12u8DEBIAN-CVE-2025-14087
Debian:13glib2.02.84.4-3~deb13u2DEBIAN-CVE-2025-14087
Debian:14glib2.02.86.3-1DEBIAN-CVE-2025-14087
Rocky Linux:10glib20:2.80.4-10.el10_1.13RLSA-2026:15969
Rocky Linux:10glib20:2.80.4-12.el10_2.13RLSA-2026:19148
Rocky Linux:8glib20:2.56.4-169.el8_10RLSA-2026:15953
Rocky Linux:9glib20:2.68.4-19.el9_8.1RLSA-2026:19361
Rocky Linux:9glib20:2.68.4-18.el9_7.2RLSA-2026:15971
Rocky Linux:8mingw-glib20:2.70.1-9.el8_10RLSA-2026:49512
Ubuntu:22.04:LTSglib2.02.72.4-0ubuntu2.7USN-7942-1
Ubuntu:22.04:LTSglib2.02.72.4-0ubuntu2.7UBUNTU-CVE-2025-14087
Ubuntu:24.04:LTSglib2.02.80.0-6ubuntu3.6USN-7942-1
Ubuntu:24.04:LTSglib2.02.80.0-6ubuntu3.6UBUNTU-CVE-2025-14087
Ubuntu:25.10glib2.02.86.0-2ubuntu0.1USN-7942-1
Ubuntu:25.10glib2.02.86.0-2ubuntu0.1UBUNTU-CVE-2025-14087

Affected products (as reported)

VendorProductVersions
GNOME glib 0 – before 2.86.3
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On see references
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 see references
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 see references

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References