Vulnerability in Gnome Glib

CVE-2026-58010

A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in the glib/gvariant-serialiser.c file when doing an alignment padding check because the bounds check uses > instead of >=, causing an out-of-bound…

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:L/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-58010?
CVE-2026-58010 is a medium-severity vulnerability in Gnome Glib, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2026-06-30.
How severe is CVE-2026-58010?
Medium severity. CVSS v3 base score is 6.5 out of 10.