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    CVE-2025-14831

    A flaw was found in GnuTLS. This vulnerability allows a denial of service (DoS) by excessive CPU (Central Processing Unit) and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names (SANs).

    Published:Feb 9, 2026
    Last Modified:Jun 29, 2026
    EPS:Feb 9, 2026
    EPSS Score:0.00638
    CVSS Score:5.3

    Affected Products

    Vendor
    Red Hat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Ai Inference Server
    Vendor
    Redhat
    Product
    Ceph Storage
    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
    Openshift Container Platform
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Eus Long Life
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Redhat
    Product
    Rhosemc
    Vendor
    Redhat
    Product
    Rhui

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://access.redhat.com/errata/RHSA-2026:13812
    https://access.redhat.com/errata/RHSA-2026:16008
    https://access.redhat.com/errata/RHSA-2026:16009
    https://access.redhat.com/errata/RHSA-2026:16174
    https://access.redhat.com/errata/RHSA-2026:25096
    https://access.redhat.com/errata/RHSA-2026:30849
    https://access.redhat.com/errata/RHSA-2026:30850
    https://access.redhat.com/errata/RHSA-2026:33125
    https://access.redhat.com/errata/RHSA-2026:3477
    https://access.redhat.com/errata/RHSA-2026:4188
    https://access.redhat.com/errata/RHSA-2026:4655
    https://access.redhat.com/errata/RHSA-2026:4943
    https://access.redhat.com/errata/RHSA-2026:5585
    https://access.redhat.com/errata/RHSA-2026:5606
    https://access.redhat.com/errata/RHSA-2026:6618
    https://access.redhat.com/errata/RHSA-2026:6630
    https://access.redhat.com/errata/RHSA-2026:6737
    https://access.redhat.com/errata/RHSA-2026:6738
    https://access.redhat.com/errata/RHSA-2026:7329
    https://access.redhat.com/errata/RHSA-2026:7335
    https://access.redhat.com/errata/RHSA-2026:7477
    https://access.redhat.com/errata/RHSA-2026:8746
    https://access.redhat.com/errata/RHSA-2026:8747
    https://access.redhat.com/errata/RHSA-2026:8748
    https://access.redhat.com/security/cve/CVE-2025-14831
    https://bugzilla.redhat.com/show_bug.cgi?id=2423177
    https://gitlab.com/gnutls/gnutls/-/issues/1773
    https://cert-portal.siemens.com/productcert/html/ssa-032379.html

    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