CVE-2025-14087

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

Published Dec 10, 2025 CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4412-1 glib2.0 security update
Ubuntu USN Ubuntu USN USN-7942-1 GLib vulnerabilities
Ubuntu USN Ubuntu USN USN-7942-2 GLib vulnerabilities
References
Link Providers
https://access.redhat.com/errata/RHSA-2026:15953 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:15969 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:15971 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19148 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19361 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19452 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19457 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19459 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19460 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19523 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19524 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19565 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19566 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:19567 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:21275 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:22634 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:25096 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:29197 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:49512 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:58981 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:72502 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:7461 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:74674 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82304 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82322 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82347 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82354 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82372 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82857 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82888 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:97163 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2025-14087 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2419093 cve-icon cve-icon
https://gitlab.gnome.org/GNOME/glib/-/issues/3834 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-14087 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-14087 cve-icon
History
Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10.3
References
Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
cpe:/a:redhat:enterprise_linux:10
cpe:/a:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:rhel_els:6
Type Values Removed Values Added
First Time appeared Redhat openshift Ai
CPEs cpe:/a:redhat:openshift_ai:3.4::el9
Vendors & Products Redhat openshift Ai
References
Type Values Removed Values Added
First Time appeared Redhat cert Manager
CPEs cpe:/a:redhat:cert_manager:1.20::el9
Vendors & Products Redhat cert Manager
References
Type Values Removed Values Added
First Time appeared Redhat openshift
CPEs cpe:/a:redhat:openshift:4
Vendors & Products Redhat openshift
Type Values Removed Values Added
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos
Type Values Removed Values Added
First Time appeared Redhat rhivos
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos
Type Values Removed Values Added
First Time appeared Redhat discovery
CPEs cpe:/a:redhat:discovery:2::el9
Vendors & Products Redhat discovery
References
Type Values Removed Values Added
First Time appeared Redhat ai Inference Server
CPEs cpe:/a:redhat:ai_inference_server:3.2::el9
Vendors & Products Redhat ai Inference Server
References
Type Values Removed Values Added
First Time appeared Redhat insights Proxy
CPEs cpe:/a:redhat:insights_proxy:1.5::el9
Vendors & Products Redhat insights Proxy
References
Type Values Removed Values Added
First Time appeared Redhat rhui
CPEs cpe:/a:redhat:rhui:5::el9
Vendors & Products Redhat rhui
References
Type Values Removed Values Added
First Time appeared Redhat enterprise Linux Eus
Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux_eus:10.0
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat enterprise Linux Eus
Redhat rhel Els
References
Type Values Removed Values Added
First Time appeared Redhat rhel Aus
Redhat rhel Eus Long Life
CPEs cpe:/o:redhat:rhel_aus:8.4::baseos
cpe:/o:redhat:rhel_aus:8.6::baseos
cpe:/o:redhat:rhel_e4s:8.6::baseos
cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
cpe:/o:redhat:rhel_tus:8.6::baseos
Vendors & Products Redhat rhel Aus
Redhat rhel Eus Long Life
References
Type Values Removed Values Added
First Time appeared Redhat rhel Tus
CPEs cpe:/a:redhat:rhel_eus:9.6::appstream
cpe:/a:redhat:rhel_eus:9.6::crb
cpe:/o:redhat:rhel_e4s:8.8::baseos
cpe:/o:redhat:rhel_eus:9.6::baseos
cpe:/o:redhat:rhel_tus:8.8::baseos
Vendors & Products Redhat rhel Tus
References
Type Values Removed Values Added
First Time appeared Redhat rhel E4s
Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_e4s:9.0::appstream
cpe:/a:redhat:rhel_e4s:9.2::appstream
cpe:/a:redhat:rhel_eus:9.4::appstream
cpe:/a:redhat:rhel_eus:9.4::crb
cpe:/o:redhat:rhel_e4s:9.0::baseos
cpe:/o:redhat:rhel_e4s:9.2::baseos
cpe:/o:redhat:rhel_eus:9.4::baseos
Vendors & Products Redhat rhel E4s
Redhat rhel Eus
References
Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10.2
References
Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10.1
References
Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:8::crb
cpe:/o:redhat:enterprise_linux:8::baseos
References
Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::crb
cpe:/o:redhat:enterprise_linux:9::baseos
References
Type Values Removed Values Added
First Time appeared Redhat hummingbird
CPEs cpe:/a:redhat:hummingbird:1
Vendors & Products Redhat hummingbird
Type Values Removed Values Added
First Time appeared Gnome
Gnome glib
CPEs cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Vendors & Products Gnome
Gnome glib
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Glib: glib: buffer underflow in gvariant parser leads to heap corruption
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-190
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 5.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}