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CVE-2025-14087

36
FAUCET Score

CVE-2025-14087 describes a critical heap corruption vulnerability in GLib (Gnome Lib) affecting Gnome and Red Hat Enterprise Linux products. This flaw allows a remote attacker to trigger a denial of service or potentially achieve arbitrary code execution through a buffer-underflow in the GVariant parser when processing specially crafted input. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.86.3CPE matchmatch criteria
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.6MEDIUM

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 Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 35th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (24)

microsoftpatch availablevia msrc
Product: azl3 glib 2.78.6-6 on Azure Linux 3.0Fixed in: 2.78.6-6
microsoftpatch availablevia msrc
Product: 20752-17084Fixed in: 2.78.6-6
microsoftpatch availablevia msrc
Product: 20803-17084Fixed in: 2.78.6-6
microsoftpatch availablevia msrc
Product: 20785-17086Fixed in: 2.71.0-9
microsoftpatch availablevia msrc
Product: 20753-17086Fixed in: 2.71.0-9
microsoftpatch availablevia msrc
Product: cbl2 glib 2.71.0-9 on CBL Mariner 2.0Fixed in: 2.71.0-9
microsoftpatch availablevia msrc
Product: cbl2 glib 2.71.0-8 on CBL Mariner 2.0Fixed in: 2.71.0-9
microsoftpatch availablevia msrc
Product: azl3 glib 2.78.6-5 on Azure Linux 3.0Fixed in: 2.78.6-6
redhatworkaround availablevia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: librsvg2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mingw-glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: bootc
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: bootc
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: librsvg2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mingw-glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: glycin-loaders
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: loupe
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: mingw-glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: papers
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: rpm-ostree
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: glib2
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: glib2

Vendor Advisories (2)

microsoft2025-Dec/CVE-2025-14087Moderate

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

Dec 9, 2025
redhatCVE-2025-14087Moderate

glib: GLib: Buffer underflow in GVariant parser leads to heap corruption

Dec 5, 2025

References

access.redhat.com / errata/RHSA-2026:15953
access.redhat.com / errata/RHSA-2026:15969
access.redhat.com / errata/RHSA-2026:15971
access.redhat.com / errata/RHSA-2026:19148
access.redhat.com / errata/RHSA-2026:19361
access.redhat.com / errata/RHSA-2026:19452
access.redhat.com / errata/RHSA-2026:19457
access.redhat.com / errata/RHSA-2026:19459
access.redhat.com / errata/RHSA-2026:19460
access.redhat.com / errata/RHSA-2026:19523
access.redhat.com / errata/RHSA-2026:19524
access.redhat.com / errata/RHSA-2026:19565
access.redhat.com / errata/RHSA-2026:19566
access.redhat.com / errata/RHSA-2026:19567
access.redhat.com / errata/RHSA-2026:21275
access.redhat.com / errata/RHSA-2026:22634
access.redhat.com / errata/RHSA-2026:25096
access.redhat.com / errata/RHSA-2026:29197
access.redhat.com / errata/RHSA-2026:7461
access.redhat.com / security/cve/CVE-2025-14087
MitigationThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
gitlab.gnome.org / GNOME/glib/-/issues/3834