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Status published
Medium
CVE-2023-29499
Gvariant offset table entry size is not checked in is_normal()
Vulnerability Description
A flaw was found in GLib. GVariant deserialization fails to validate that the input conforms to the expected format, 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-2023-29499
- https://bugzilla.redhat.com/show_bug.cgi?id=2211828
- https://gitlab.gnome.org/GNOME/glib/-/issues/2794
- https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
- https://security.netapp.com/advisory/ntap-20231103-0001/
- https://security.gentoo.org/glsa/202311-18
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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, Extra Packages for Enterprise Linux, Fedora 37, Fedora 38
Vulnerable Versions:
Unknown
Timeline
Official Publish:
September 14th, 2023
Last Modified:
December 18th, 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