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    CVE-2025-14087

    A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input strings.

    Published:Dec 5, 2025
    Last Modified:Aug 25, 2026
    EPS:Dec 10, 2025
    EPSS Score:0.00839
    CVSS Score:5.6

    Affected Products

    Vendor
    Gnome
    Product
    Glib
    Vendor
    Redhat
    Product
    Ai Inference Server
    Vendor
    Redhat
    Product
    Discovery
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Hummingbird
    Vendor
    Redhat
    Product
    Insights Proxy
    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

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    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-2026-58014 (CVSS 7.3) — A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in t…
    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-2025-13601 (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-2026:15953
    https://access.redhat.com/errata/RHSA-2026:15969
    https://access.redhat.com/errata/RHSA-2026:15971
    https://access.redhat.com/errata/RHSA-2026:19148
    https://access.redhat.com/errata/RHSA-2026:19361
    https://access.redhat.com/errata/RHSA-2026:19452
    https://access.redhat.com/errata/RHSA-2026:19457
    https://access.redhat.com/errata/RHSA-2026:19459
    https://access.redhat.com/errata/RHSA-2026:19460
    https://access.redhat.com/errata/RHSA-2026:19523
    https://access.redhat.com/errata/RHSA-2026:19524
    https://access.redhat.com/errata/RHSA-2026:19565
    https://access.redhat.com/errata/RHSA-2026:19566
    https://access.redhat.com/errata/RHSA-2026:19567
    https://access.redhat.com/errata/RHSA-2026:21275
    https://access.redhat.com/errata/RHSA-2026:22634
    https://access.redhat.com/errata/RHSA-2026:25096
    https://access.redhat.com/errata/RHSA-2026:29197
    https://access.redhat.com/errata/RHSA-2026:49512
    https://access.redhat.com/errata/RHSA-2026:58981
    https://access.redhat.com/errata/RHSA-2026:7461
    https://access.redhat.com/security/cve/CVE-2025-14087
    https://bugzilla.redhat.com/show_bug.cgi?id=2419093
    https://gitlab.gnome.org/GNOME/glib/-/issues/3834

    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