Read the docs
TI-2023-15915 Aliases CVE-2023-32636GHSA-79g9-vx8c-xfmq

Uncontrolled resource consumption in glib

Priority LOW 34CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service, Code execution
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 fixed, 5 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-400 and CWE-502.

Summary

A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of glib but does affect glib distributors who followed the guidance of glib developers to backport the initial fix for CVE-2023-29499.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00791 56th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
glibglib2.75.1—No fix listedCNA
  • glib Vendorglib Affected 2.75.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*before 2.74.4VulnerableGNOME
  • cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:* Versions before 2.74.4 Vulnerable ·GNOME

Remediation

Red Hat 1 advisory

  • RHSA-2024:2528 Released 2024-04-30 · Red Hat rating Low
    mingw-glib2 security update
    • Red Hat Enterprise Linux CRB (v. 9) mingw-glib2-2.78.0-1.el9, mingw32-glib2-2.78.0-1.el9, mingw32-glib2-static-2.78.0-1.el9 +2

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)Affected—
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:2528
Not affected: 1 product
  • Red Hat OpenShift AI (RHOAI)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-32636
  2. 2026-10-03 Alias added: GHSA-79g9-vx8c-xfmq
  3. 2026-11-07 Affected versions changed · Red Hat

References

Advisory 2

Other 1

  • TI-2026-41775 Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list" CVSS 3.1HIGH 8.6
  • TI-2026-41772 Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime CVSS 3.1HIGH 7.5
  • TI-2025-03596 Glib: glib crash after long command line CVSS 3.1HIGH 7.5
  • TI-2023-15942 Gvariant deserialisation does not match spec for non-normal data CVSS 3.1MEDIUM 5.5
  • TI-2024-35203 gio/gsocks4aproxy.c in GNOME GLib before 2.82.1 has an off-by-one error and resultant… CVSS 3.1CRITICAL 9.8
  • TI-2018-11777 In GNOME GLib 2.56.1, g_markup_parse_context_end_parse() in gmarkup.c has a NULL pointer dereference. CVSS 3.0CRITICAL 9.8
See all 32 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences