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CVE Vulnerabilities

CVE-2026-58012

Buffer Over-read

Published: Jun 30, 2026 | Modified: Oct 06, 2026
CVSS 3.x
8.2
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-58012
CWEhttps://cwe.mitre.org/data/definitions/126.html

A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the G_REGEX_RAW compile flag and case-change replacement escapes because the string_append function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the string is treated as raw bytes. This vulnerability can cause a minor information disclosure of 1-5 bytes and a denial of service when the buffer over-read crosses a page boundary.

Weakness

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

Affected Software

NameVendorStart VersionEnd Version
GlibGnome*2.86.5 (excluding)
GlibGnome2.88.0 (including)2.88.0 (including)
Enterprise_linuxRedhat6.0 (including)6.0 (including)
Enterprise_linuxRedhat7.0 (including)7.0 (including)
Enterprise_linuxRedhat8.0 (including)8.0 (including)
Enterprise_linuxRedhat9.0 (including)9.0 (including)
Enterprise_linuxRedhat10.0 (including)10.0 (including)
Red Hat Enterprise Linux 10RedHatglib2-0:2.80.4-12.el10_2.21*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatglib2-0:2.80.4-4.el10_0.17*
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatglib2-0:2.56.1-13.el7_9.1*
Red Hat Enterprise Linux 8RedHatmingw-glib2-0:2.70.1-9.el8_10*
Red Hat Enterprise Linux 8RedHatglib2-0:2.56.4-177.el8_10*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatglib2-0:2.56.4-10.el8_4.7*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatglib2-0:2.56.4-10.el8_4.7*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatglib2-0:2.56.4-158.el8_6.7*
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRedHatglib2-0:2.56.4-158.el8_6.7*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatglib2-0:2.56.4-165.el8_8.2*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatglib2-0:2.56.4-165.el8_8.2*
Red Hat Enterprise Linux 9RedHatglib2-0:2.68.4-19.el9_8.9*
Red Hat Enterprise Linux 9RedHatglib2-0:2.68.4-19.el9_8.9*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatglib2-0:2.68.4-7.el9_2.7*
Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRedHatglib2-0:2.68.4-14.el9_4.8*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatglib2-0:2.68.4-16.el9_6.7*
Cert Manager support for Red Hat OpenShift release 1.19RedHatcert-manager/cert-manager-operator-rhel9:1788348522*
Cert Manager support for Red Hat OpenShift release 1.19RedHatcert-manager/jetstack-cert-manager-acmesolver-rhel9:1788348571*
Cert Manager support for Red Hat OpenShift release 1.19RedHatcert-manager/jetstack-cert-manager-rhel9:1788348571*
Cert Manager support for Red Hat OpenShift release 1.19RedHatcert-manager/cert-manager-istio-csr-rhel9:1788348594*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/jetstack-cert-manager-rhel9:1790223279*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/cert-manager-istio-csr-rhel9:1790223719*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/cert-manager-operator-rhel9:1790272426*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/jetstack-cert-manager-acmesolver-rhel9:1790589998*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/jetstack-cert-manager-rhel9:1790589912*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/cert-manager-istio-csr-rhel9:1790589914*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/cert-manager-operator-rhel9:1790589855*
Cert Manager support for Red Hat OpenShift release 1.20RedHatcert-manager/cert-manager-trust-manager-rhel9:1790598593*
Red Hat AI Inference Server 3.2RedHatrhaiis/model-opt-cuda-rhel9:1790621714*
Red Hat AI Inference Server 3.2RedHatrhaiis/vllm-cuda-rhel9:1790621718*
Red Hat AI Inference Server 3.2RedHatrhaiis/vllm-rocm-rhel9:1790621713*
Red Hat Discovery 2RedHatdiscovery/discovery-server-rhel9:1788205779*
Red Hat Discovery 2RedHatdiscovery/discovery-ui-rhel9:1788206196*
Red Hat OpenShift AI 3.0RedHatrhai/base-image-rocm-rhel9:1790276886*
Red Hat OpenShift AI 3.0RedHatrhai/base-image-tpu-rhel9:1790276884*
Red Hat OpenShift AI 3.0RedHatrhai/base-image-cpu-rhel9:1790277045*
Red Hat OpenShift AI 3.0RedHatrhai/base-image-spyre-rhel9:1790276889*
Red Hat OpenShift AI 3.0RedHatrhai/base-image-cuda-rhel9:1790276974*
Red Hat OpenShift AI 3.2RedHatrhai/base-image-tpu-rhel9:1790703497*
Red Hat OpenShift AI 3.2RedHatrhai/base-image-rocm-rhel9:1790703506*
Red Hat OpenShift AI 3.2RedHatrhai/base-image-cpu-rhel9:1790703590*
Red Hat OpenShift AI 3.2RedHatrhai/base-image-spyre-rhel9:1790703568*
Red Hat OpenShift AI 3.2RedHatrhai/base-image-cuda-rhel9:1790703586*
Red Hat OpenShift AI 3.2RedHatrhai/base-image-rocm-rhel9:1790703494*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-neuron-rhel9:1790703542*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-tpu-rhel9:1790703539*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-gaudi-rhel9:1790703553*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-cpu-rhel9:1790703631*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-spyre-rhel9:1790703597*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-cuda-13.0-rhel9:1790703641*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-cuda-12.9-rhel9:1790703630*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-rocm-7.1-rhel9:1790703541*
Red Hat OpenShift AI 3.4RedHatrhai/base-image-rocm-6.4-rhel9:1790703545*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-gaudi-rhel9:1790703552*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-cpu-rhel9:1790703656*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-neuron-rhel9:1790703557*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-rubin-rhel9:1790703707*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-cuda-13.0-rhel9:1790703645*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-tpu-rhel9:1790703554*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-rocm-7.14-rhel9:1790703554*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-spyre-rhel9:1790703630*
Red Hat OpenShift AI 3.5RedHatrhai/base-image-cuda-12.9-rhel9:1790703706*
Red Hat Update Infrastructure 5RedHatrhui5/cds-kubernetes-tp-rhel9:1787241211*
Red Hat Update Infrastructure 5RedHatrhui5/installer-tp-rhel9:1787135742*
Red Hat Update Infrastructure 5RedHatrhui5/rhua-tp-rhel9:1787241260*
Red Hat Update Infrastructure 5RedHatrhui5/cds-kubernetes-rhel9:1788880445*
Red Hat Update Infrastructure 5RedHatrhui5/cds-rhel9:1788880464*
Red Hat Update Infrastructure 5RedHatrhui5/haproxy-rhel9:1788880456*
Red Hat Update Infrastructure 5RedHatrhui5/installer-rhel9:1788765051*
Red Hat Update Infrastructure 5RedHatrhui5/rhua-rhel9:1788880581*
Glib2.0Ubuntuesm-infra-legacy/trusty*
Glib2.0Ubuntuesm-infra-legacy/xenial*
Glib2.0Ubuntuesm-infra/bionic*
Glib2.0Ubuntuesm-infra/focal*
Glib2.0Ubuntujammy*
Glib2.0Ubuntunoble*
Glib2.0Ubuntuquesting*
Glib2.0Ubunturesolute*
Glib2.0Ubuntuupstream*

References

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