CVE-2025-14512

Glib: integer overflow in glib gio attribute escaping causes heap buffer overflow

MEDIUM
6.5
CVSS Score
Published: December 11, 2025 at 07:11 AM UTC
Updated: October 14, 2026 at 08:17 PM UTC
4 products affected across 2 vendorsEnterprise LinuxOpenshiftGLib

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an integer overflow in GLib's GIO (GLib Input/Output) escape_byte_string() function when processing malicious file or remote filesystem attribute values.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versionsv < 2.86.3
Affected range stops below 2.86.3, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 0:2.56.4-10.el8_4.5 (unaffected)
Vendor states this is fixed in 0:2.56.4-158.el8_6.5 (unaffected)
Vendor states this is fixed in 0:2.56.4-165.el8_8 (unaffected)
Vendor states this is fixed in 0:2.56.4-169.el8_10 (unaffected)
Vendor states this is fixed in 0:2.68.4-14.el9_4.6 (unaffected)
Vendor states this is fixed in 0:2.68.4-16.el9_6.5 (unaffected)
Vendor states this is fixed in 0:2.68.4-18.el9_7.2 (unaffected)
Vendor states this is fixed in 0:2.68.4-19.el9_8.1 (unaffected)
Vendor states this is fixed in 0:2.68.4-5.el9_0.5 (unaffected)
Vendor states this is fixed in 0:2.68.4-7.el9_2.5 (unaffected)
Vendor states this is fixed in 0:2.80.4-10.el10_1.13 (unaffected)
Vendor states this is fixed in 0:2.80.4-12.el10_2.13 (unaffected)
Vendor states this is fixed in 0:2.80.4-4.el10_0.9 (unaffected)
Vendor states this is fixed in 6 (unknown)
All versions4
Vendor states this is fixed in 4 (unknown)

References (31)

VDB Entryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/security/cve/CVE-2025-14512
Issue Trackingx_refsource_REDHATThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2421339
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:7461
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:15971
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:15953
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:15969
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:19148

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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