CVE-2023-32665

A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)

CWEs

CWE-502, CWE-400

Published

2023-09-14

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• gnome:glib

References

• https://access.redhat.com/security/cve/CVE-2023-32665
• https://bugzilla.redhat.com/show_bug.cgi?id=2211827
• https://gitlab.gnome.org/GNOME/glib/-/issues/2121
• https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
• https://security.gentoo.org/glsa/202311-18

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