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    CVE-2025-3576

    A vulnerability in the MIT Kerberos implementation allows GSSAPI-protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 checksum design. If RC4 is preferred over stronger encryption types, an attacker could exploit MD5 collisions to forge message integrity codes. This may lead to unauthorized message tampering.

    Published:Apr 15, 2025
    Last Modified:Jun 30, 2026
    EPS:Apr 15, 2025
    EPSS Score:0.00276
    CVSS Score:5.9

    Affected Products

    Vendor
    Redhat
    Product
    Discovery
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift
    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

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-328 Use of Weak Hash

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    References

    https://access.redhat.com/errata/RHSA-2025:11487
    https://access.redhat.com/errata/RHSA-2025:13664
    https://access.redhat.com/errata/RHSA-2025:13777
    https://access.redhat.com/errata/RHSA-2025:15000
    https://access.redhat.com/errata/RHSA-2025:15001
    https://access.redhat.com/errata/RHSA-2025:15002
    https://access.redhat.com/errata/RHSA-2025:15003
    https://access.redhat.com/errata/RHSA-2025:15004
    https://access.redhat.com/errata/RHSA-2025:8411
    https://access.redhat.com/errata/RHSA-2025:9418
    https://access.redhat.com/errata/RHSA-2025:9430
    https://access.redhat.com/security/cve/CVE-2025-3576
    https://bugzilla.redhat.com/show_bug.cgi?id=2359465
    https://web.mit.edu/kerberos/krb5-1.22/krb5-1.22.html
    https://lists.debian.org/debian-lts-announce/2025/05/msg00047.html
    https://cert-portal.siemens.com/productcert/html/ssa-577017.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