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Status published
Medium
CVE-2023-32665
Gvariant deserialisation does not match spec for non-normal data
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Upstream acknowledges William Manley as the original reporter.
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
- https://security.netapp.com/advisory/ntap-20240426-0006/
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Affected Vendor
Affected Software
glib2, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Fedora 38, Extra Packages for Enterprise Linux, Fedora, Fedora 37
Vulnerable Versions:
Unknown
Timeline
Official Publish:
September 14th, 2023
Last Modified:
February 13th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H