Integer overflow in Gnome Glib

CVE-2025-14087

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 maliciousl…

Vulnerability class: Integer Overflow

EPSS: 0.001 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14087?
CVE-2025-14087 is a medium-severity vulnerability in Gnome Glib, classified under Integer Overflow or Wraparound. CVSS score: 5.6/10. Published 2025-12-10.
How severe is CVE-2025-14087?
Medium severity. CVSS v3 base score is 5.6 out of 10.