Glib: integer overflow in g_string_maybe_expand() leading to potential buffer overflow in glib gstring
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 enough memory when it doesn’t. As a result, data may be written past the end of the a…
Severity low: primary CNA CVSS 3.7 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-06-13T15:40:38.541Z. Updated 2026-06-02T12:59:40.653Z.