Integer overflow in GNOME Glib
CVE-2025-14512
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- GNOME Glib — versions 0
- Red Hat Ai Inference Server 3.2 — versions 1780681984
- Red Hat Discovery 2 — versions 1782159791, 1782166952
- Red Hat Enterprise Linux 10 — versions 0:2.80.4-12.el10_2.13, 0:2.80.4-10.el10_1.13
- Red Hat Enterprise Linux 10.0 Extended Update Support — versions 0:2.80.4-4.el10_0.9
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:2.56.4-169.el8_10
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 0:2.56.4-10.el8_4.5
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On — versions 0:2.56.4-10.el8_4.5
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2026:7461 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2025-14512 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Third Party Advisory, Issue Tracking)
- gitlab.gnome.org/GNOME/glib/-/issues/3845
- access.redhat.com/errata/RHSA-2026:15971 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:15953 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:15969 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:19148 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:19361 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:19452 (vendor-advisory)
Frequently asked questions
- What is CVE-2025-14512?
- CVE-2025-14512 is a medium-severity vulnerability in GNOME Glib, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2025-12-11.
- How severe is CVE-2025-14512?
- Medium severity. CVSS v3 base score is 6.5 out of 10.