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    CVE-2026-58014

    A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundary.

    Published:Jun 30, 2026
    Last Modified:Sep 10, 2026
    EPS:Jun 30, 2026
    EPSS Score:0.00414
    CVSS Score:7.3

    Affected Products

    Vendor
    Gnome
    Product
    Glib
    Vendor
    Redhat
    Product
    Cert Manager
    Vendor
    Redhat
    Product
    Discovery
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Hardened Images
    Vendor
    Redhat
    Product
    Hummingbird
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Eus Long Life
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Redhat
    Product
    Rhui

    Exploits

    https://gitlab.gnome.org/GNOME/glib/-/issues/3930https://gitlab.gnome.org/GNOME/glib/-/issues/3930

    Common Weakness Enumeration

    CWE-193 Off-by-one Error

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-58016 (CVSS 7.5) — A flaw was found in GLib. A state confusion issue exists in g_dbus_node_info_new_for_xml() in the gio/gdbusint…
    CVE-2026-58015 (CVSS 5.9) — A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mec…
    CVE-2026-58013 (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…
    CVE-2026-58012 (CVSS 6.5) — A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_R…
    CVE-2026-58011 (CVSS 6.5) — A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the g_date_time_get_ymd function …
    CVE-2026-58010 (CVSS 6.5) — A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in the glib/gvaria…
    CVE-2025-14512 (CVSS 6.5) — A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an …
    CVE-2025-14087 (CVSS 5.6) — A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, le…
    CVE-2025-13601 (CVSS 7.7) — A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the …
    CVE-2025-6052 (CVSS 3.7) — A flaw was found in how GLib’s GString manages memory when adding data to strings. If a string is already very…

    References

    https://access.redhat.com/errata/RHSA-2026:49512
    https://access.redhat.com/errata/RHSA-2026:55440
    https://access.redhat.com/errata/RHSA-2026:57015
    https://access.redhat.com/errata/RHSA-2026:58981
    https://access.redhat.com/errata/RHSA-2026:61766
    https://access.redhat.com/errata/RHSA-2026:61783
    https://access.redhat.com/errata/RHSA-2026:63135
    https://access.redhat.com/errata/RHSA-2026:63138
    https://access.redhat.com/errata/RHSA-2026:63140
    https://access.redhat.com/errata/RHSA-2026:65762
    https://access.redhat.com/errata/RHSA-2026:65763
    https://access.redhat.com/errata/RHSA-2026:65767
    https://access.redhat.com/errata/RHSA-2026:65768
    https://access.redhat.com/errata/RHSA-2026:65769
    https://access.redhat.com/errata/RHSA-2026:65770
    https://access.redhat.com/errata/RHSA-2026:65771
    https://access.redhat.com/errata/RHSA-2026:65773
    https://access.redhat.com/errata/RHSA-2026:66018
    https://access.redhat.com/security/cve/CVE-2026-58014
    https://bugzilla.redhat.com/show_bug.cgi?id=2492255
    https://gitlab.gnome.org/GNOME/glib/-/issues/3930
    https://gitlab.gnome.org/GNOME/glib/-/issues/3930

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High