Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2023-29499

CVE-2023-29499HIGH

n/a glib2 — Gvariant offset table entry size is not checked in is_normal()

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0078   55.0     —

AFFECTED
  Product                              Versions     Fixed
  glib2                                unspecified  —
  Red Hat Enterprise Linux 6           unspecified  —
  Red Hat Enterprise Linux 7           unspecified  —
  Red Hat Enterprise Linux 8           unspecified  —
  Red Hat Enterprise Linux 9           unspecified  —
  Extra Packages for Enterprise Linux  unspecified  —
  Fedora 37                            unspecified  —
  Fedora 38                            unspecified  —
  Fedora 38                            unspecified  —
  Fedora 37                            unspecified  —

TIMELINE
  May 30  Reserved by redhat
  Sep 14  Published (CNA: redhat)
  Oct 14  RESCORED — CVE-2023-29499 (glib2). CVSS 5.5 → 7.5 (NVD).

CWE-400 · CNA: redhat · CVSS v3.1 · 7 references · NVD status: Modified

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 30, 2023	Reserved	Reserved by redhat
September 14, 2023	Published	Published (CNA: redhat)
October 14, 2026	RESCORED	RESCORED — CVE-2023-29499 (glib2). CVSS 5.5 → 7.5 (NVD).

Affected

Affected products and packages — 10 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	glib2	—	—	—
Red Hat	Red Hat Enterprise Linux 6	—	—	—
Red Hat	Red Hat Enterprise Linux 7	—	—	—
Red Hat	Red Hat Enterprise Linux 8	—	—	—
Red Hat	Red Hat Enterprise Linux 9	—	—	—
Fedora	Extra Packages for Enterprise Linux	—	—	—
Fedora	Fedora 37	—	—	—
Fedora	Fedora 38	—	—	—
Fedora	Fedora 38	—	—	—
Fedora	Fedora 37	—	—	—

Weaknesses

CWE-400

References (7)

https://access.redhat.com/security/cve/CVE-2023-29499 [Third Party Advisory]
https://bugzilla.redhat.com/show_bug.cgi?id=2211828 [Issue Tracking, Third Party Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://gitlab.gnome.org/GNOME/glib/-/issues/2794 [Issue Tracking, Vendor Advisory]
https://lists.debian.org/debian-lts-announce/2023/09/msg00030.html
https://security.gentoo.org/glsa/202311-18
https://security.netapp.com/advisory/ntap-20231103-0001/

Authoritative record: CVE-2023-29499 at cve.org

Vendors: red hat · fedora

Weaknesses: CWE-400

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-29499 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.