6.5Medium

CVE-2026-58010Glib: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal()

GNOME GLib; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 7 Extended Lif… Published: (4 months ago)

Description

A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in the glib/gvariant-serialiser.c file when doing an alignment padding check because the bounds check uses > instead of >=, causing an out-of-bounds read of only 1 byte. This issue can cause a minor information disclosure of 1 byte and a denial of service when the out-of-bounds read crosses a page boundary.

Weakness (CWE): CWE-126

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
ai inference server 3.2 —
ai inference server 3.5 —
cert manager 1.17 —
cert manager 1.18 —
cert manager 1.19 —
cert manager 1.20 —
discovery 2 —
enterprise linux 8 —
enterprise linux 9 —
enterprise linux ai 3.5 —
GNOME GLib < 2.86.5, < 2.88.1
openshift ai 3.0 —
openshift ai 3.2 —
openshift ai 3.4 —
openshift ai 3.5 —
Red Hat Cert Manager support for Red Hat OpenShift release 1.17 all versions
Red Hat Cert Manager support for Red Hat OpenShift release 1.18 all versions
Red Hat Cert Manager support for Red Hat OpenShift release 1.19 all versions
Red Hat Cert Manager support for Red Hat OpenShift release 1.20 all versions
redhat enterprise linux 6.0
Red Hat Red Hat AI Inference Server 3.2 all versions
Red Hat Red Hat AI Inference Server 3.5 all versions
Red Hat Red Hat Discovery 2 all versions
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On all versions
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On all versions
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux AI 3.5 all versions
Red Hat Red Hat OpenShift AI 3.0 all versions
Red Hat Red Hat OpenShift AI 3.2 all versions
Red Hat Red Hat OpenShift AI 3.4 all versions
Red Hat Red Hat OpenShift AI 3.5 all versions
rhel aus 8.4 —
rhel aus 8.6 —
rhel e4s 8.8 —
rhel e4s 9.2 —
rhel e4s 9.4 —
rhel eus 9.6 —
rhel eus long life 8.4 —
rhel eus long life 8.6 —
rhel tus 8.8 —
rhui 5 —

References and patches

CPE matches (NVD) (7)

  • cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:* < 2.86.5
  • cpe:2.3:a:gnome:glib:2.88.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*