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CVE-2026-58013

Fixed in a distro release EPSS <1%CVSS 6.5

A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cause a minor information disclosure of 7 bytes or a denial of service when the buffer over-read crosses a page boundary.

Published 2026-06-30 · CVE record · OSV

Products: gnome glib, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.6 Extended Update Support, Cert Manager support for Red Hat OpenShift release 1.17, Cert Manager support for Red Hat OpenShift release 1.18, Cert Manager support for Red Hat OpenShift release 1.19, Cert Manager support for Red Hat OpenShift release 1.20, Red Hat AI Inference Server 3.2, Red Hat AI Inference Server 3.5, Red Hat Discovery 2, Red Hat OpenShift AI 3.0, Red Hat OpenShift AI 3.2, Red Hat OpenShift AI 3.4, Red Hat OpenShift AI 3.5, Red Hat Update Infrastructure 5, Red Hat Enterprise Linux 6, Red Hat Hardened Images

Distro releases

ReleasePackageFixed in
AlmaLinux 10glib22.80.4-12.el10_2.21
AlmaLinux 10glib2-devel2.80.4-12.el10_2.21
AlmaLinux 10glib2-doc2.80.4-12.el10_2.21
AlmaLinux 10glib2-static2.80.4-12.el10_2.21
AlmaLinux 10glib2-tests2.80.4-12.el10_2.21
AlmaLinux 8glib22.56.4-177.el8_10
AlmaLinux 8glib2-devel2.56.4-177.el8_10
AlmaLinux 8glib2-doc2.56.4-177.el8_10
AlmaLinux 8glib2-fam2.56.4-177.el8_10
AlmaLinux 8glib2-static2.56.4-177.el8_10
AlmaLinux 8glib2-tests2.56.4-177.el8_10
AlmaLinux 8mingw32-glib22.70.1-9.el8_10
AlmaLinux 8mingw32-glib2-static2.70.1-9.el8_10
AlmaLinux 8mingw64-glib22.70.1-9.el8_10
AlmaLinux 8mingw64-glib2-static2.70.1-9.el8_10
AlmaLinux 9glib22.68.4-19.el9_8.9
AlmaLinux 9glib2-devel2.68.4-19.el9_8.9
AlmaLinux 9glib2-doc2.68.4-19.el9_8.9
AlmaLinux 9glib2-static2.68.4-19.el9_8.9
AlmaLinux 9glib2-tests2.68.4-19.el9_8.9
Debian 12glib2.0no fix
Debian 13glib2.02.84.4-3~deb13u4
Debian 14glib2.02.88.1-2
Red Hat Enterprise Linux 10.2glib20:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-debuginfo0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-debugsource0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-devel0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-devel-debuginfo0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-doc0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-static0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-tests0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 10.2glib2-tests-debuginfo0:2.80.4-12.el10_2.21
Red Hat Enterprise Linux 8glib20:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-debuginfo0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-debugsource0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-devel0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-devel-debuginfo0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-doc0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-fam0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-fam-debuginfo0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-static0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-tests0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8glib2-tests-debuginfo0:2.56.4-177.el8_10
Red Hat Enterprise Linux 8mingw-glib20:2.70.1-9.el8_10
Red Hat Enterprise Linux 8mingw32-glib20:2.70.1-9.el8_10
Red Hat Enterprise Linux 8mingw32-glib2-debuginfo0:2.70.1-9.el8_10
Red Hat Enterprise Linux 8mingw32-glib2-static0:2.70.1-9.el8_10
Red Hat Enterprise Linux 8mingw64-glib20:2.70.1-9.el8_10
Red Hat Enterprise Linux 8mingw64-glib2-debuginfo0:2.70.1-9.el8_10
Red Hat Enterprise Linux 8mingw64-glib2-static0:2.70.1-9.el8_10
Red Hat Enterprise Linux 9glib20:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-debuginfo0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-debugsource0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-devel0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-devel-debuginfo0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-doc0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-static0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-tests0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux 9glib2-tests-debuginfo0:2.68.4-19.el9_8.9
Red Hat Enterprise Linux eus 10.0glib20:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-debuginfo0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-debugsource0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-devel0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-devel-debuginfo0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-doc0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-static0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-tests0:2.80.4-4.el10_0.17
Red Hat Enterprise Linux eus 10.0glib2-tests-debuginfo0:2.80.4-4.el10_0.17
Red Hat rhel aus 8.4glib20:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-debugsource0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-devel0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-devel-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-fam0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-fam-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-tests0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.4glib2-tests-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel aus 8.6glib20:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-debugsource0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-devel0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-devel-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-fam0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-fam-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-tests0:2.56.4-158.el8_6.7
Red Hat rhel aus 8.6glib2-tests-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel e4s 8.8glib20:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-debugsource0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-devel0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-devel-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-fam0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-fam-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-tests0:2.56.4-165.el8_8.2
Red Hat rhel e4s 8.8glib2-tests-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel e4s 9.2glib20:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-debuginfo0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-debugsource0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-devel0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-devel-debuginfo0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-doc0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-tests0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.2glib2-tests-debuginfo0:2.68.4-7.el9_2.7
Red Hat rhel e4s 9.4glib20:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-debuginfo0:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-debugsource0:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-devel0:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-devel-debuginfo0:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-doc0:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-tests0:2.68.4-14.el9_4.8
Red Hat rhel e4s 9.4glib2-tests-debuginfo0:2.68.4-14.el9_4.8
Red Hat rhel els 7glib20:2.56.1-13.el7_9.1
Red Hat rhel els 7glib2-debuginfo0:2.56.1-13.el7_9.1
Red Hat rhel els 7glib2-devel0:2.56.1-13.el7_9.1
Red Hat rhel els 7glib2-doc0:2.56.1-13.el7_9.1
Red Hat rhel els 7glib2-fam0:2.56.1-13.el7_9.1
Red Hat rhel els 7glib2-static0:2.56.1-13.el7_9.1
Red Hat rhel els 7glib2-tests0:2.56.1-13.el7_9.1
Red Hat rhel eus 9.6glib20:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-debuginfo0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-debugsource0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-devel0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-devel-debuginfo0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-doc0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-static0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-tests0:2.68.4-16.el9_6.7
Red Hat rhel eus 9.6glib2-tests-debuginfo0:2.68.4-16.el9_6.7
Red Hat rhel eus long life 8.4glib20:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-debugsource0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-devel0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-devel-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-fam0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-fam-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-tests0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.4glib2-tests-debuginfo0:2.56.4-10.el8_4.7
Red Hat rhel eus long life 8.6glib20:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-debugsource0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-devel0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-devel-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-fam0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-fam-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-tests0:2.56.4-158.el8_6.7
Red Hat rhel eus long life 8.6glib2-tests-debuginfo0:2.56.4-158.el8_6.7
Red Hat rhel tus 8.8glib20:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-debugsource0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-devel0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-devel-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-fam0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-fam-debuginfo0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-tests0:2.56.4-165.el8_8.2
Red Hat rhel tus 8.8glib2-tests-debuginfo0:2.56.4-165.el8_8.2
Rocky Linux 10glib20:2.80.4-12.el10_2.21
Rocky Linux 8glib20:2.56.4-177.el8_10
Rocky Linux 8mingw-glib20:2.70.1-9.el8_10
Rocky Linux 9glib20:2.68.4-19.el9_8.9
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOSglib22.70.5-150400.3.37.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSSglib22.70.5-150400.3.37.1
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSglib22.70.5-150400.3.37.1
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSSglib22.70.5-150400.3.37.1
SUSE Linux Enterprise Micro 5.3glib22.70.5-150400.3.37.1
SUSE Linux Enterprise Micro 5.4glib22.70.5-150400.3.37.1
SUSE Linux Enterprise Micro 5.5glib22.70.5-150400.3.37.1
SUSE Linux Enterprise Module for Basesystem 15 SP7glib22.78.6-150600.4.38.1
SUSE Linux Enterprise Server 12 SP5-LTSSglib22.48.2-12.61.1
SUSE Linux Enterprise Server 15 SP4-LTSSglib22.70.5-150400.3.37.1
SUSE Linux Enterprise Server 15 SP5-LTSSglib22.70.5-150400.3.37.1
SUSE Linux Enterprise Server 15 SP6-LTSSglib22.78.6-150600.4.38.1
SUSE Linux Enterprise Server 16.0glib22.84.4-160000.4.1
SUSE Linux Enterprise Server 16.0glib2-doc2.84.4-160000.4.1
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5glib22.48.2-12.61.1
SUSE Linux Enterprise Server for SAP Applications 15 SP4glib22.70.5-150400.3.37.1
SUSE Linux Enterprise Server for SAP Applications 15 SP5glib22.70.5-150400.3.37.1
SUSE Linux Enterprise Server for SAP Applications 15 SP6glib22.78.6-150600.4.38.1
SUSE Linux Enterprise Server for SAP applications 16.0glib22.84.4-160000.4.1
SUSE Linux Enterprise Server for SAP applications 16.0glib2-doc2.84.4-160000.4.1
SUSE Linux Micro 6.0glib22.76.2-13.1
SUSE Linux Micro 6.1glib22.78.6-slfo.1.1_7.1
SUSE Linux Micro 6.2glib22.84.4-160000.4.1
Ubuntu 22.04 LTSglib2.02.72.4-0ubuntu2.10
Ubuntu 24.04 LTSglib2.02.80.0-6ubuntu3.9
Ubuntu 25.10glib2.0no fix
Ubuntu 26.04 LTSglib2.02.88.0-1ubuntu0.1
Ubuntu Pro 14.04 LTSglib2.02.40.2-0ubuntu1.1+esm8
Ubuntu Pro 16.04 LTSglib2.02.48.2-0ubuntu4.8+esm6
Ubuntu Pro 18.04 LTSglib2.02.56.4-0ubuntu0.18.04.9+esm6
Ubuntu Pro 20.04 LTSglib2.02.64.6-1~ubuntu20.04.9+esm2
openSUSE Leap 16.0glib22.84.4-160000.4.1
openSUSE Leap 16.0glib2-doc2.84.4-160000.4.1