Is CVE-2026-58014 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-58014?

CVE-2026-58014 has a CVSS v3 severity of HIGH (7.3).

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CVE-2026-58014

Description

A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundary.