Integer overflow in Gnome Glib

CVE-2025-6052

A flaw was found in how GLib’s GString manages memory when adding data to strings. If a string is already very large, combining it with more input can cause a hidden overflow in the size calculation. This makes the system think it has enou…

Vulnerability class: Integer Overflow

EPSS: 0.004 (62.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-6052?
CVE-2025-6052 is a low-severity vulnerability in Gnome Glib, classified under Integer Overflow or Wraparound. CVSS score: 3.7/10. Published 2025-06-13.
How severe is CVE-2025-6052?
Low severity. CVSS v3 base score is 3.7 out of 10.