Out-of-bounds Read in Gnome Glib

CVE-2026-58011

A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the g_date_time_get_ymd function in the glib/gdatetime.c file when an invalid GDateTime object produced by the g_date_time_add_full function is processed. This fl…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-58011?
CVE-2026-58011 is a medium-severity vulnerability in Gnome Glib, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-06-30.
How severe is CVE-2026-58011?
Medium severity. CVSS v3 base score is 6.5 out of 10.