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    CVE-2025-5222

    A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' struct overflowed at the SRBRoot::addTag function. This issue may lead to memory corruption and local arbitrary code execution.

    Published:Nov 14, 2024
    Last Modified:Sep 3, 2026
    EPS:May 27, 2025
    EPSS Score:0.0041
    CVSS Score:7

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Unicode
    Product
    International Components For Unicode

    Exploits

    https://github.com/berkley4/icu-74-debian

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    References

    https://access.redhat.com/errata/RHSA-2025:11888
    https://access.redhat.com/errata/RHSA-2025:12083
    https://access.redhat.com/errata/RHSA-2025:12331
    https://access.redhat.com/errata/RHSA-2025:12332
    https://access.redhat.com/errata/RHSA-2025:12333
    https://access.redhat.com/errata/RHSA-2026:54544
    https://access.redhat.com/errata/RHSA-2026:54553
    https://access.redhat.com/errata/RHSA-2026:54581
    https://access.redhat.com/errata/RHSA-2026:56786
    https://access.redhat.com/errata/RHSA-2026:56853
    https://access.redhat.com/errata/RHSA-2026:56911
    https://access.redhat.com/errata/RHSA-2026:60019
    https://access.redhat.com/security/cve/CVE-2025-5222
    https://bugzilla.redhat.com/show_bug.cgi?id=2368600
    https://unicode-org.atlassian.net/jira/software/c/projects/ICU/issues/ICU-22957
    https://lists.debian.org/debian-lts-announce/2025/06/msg00015.html
    https://cert-portal.siemens.com/productcert/html/ssa-585531.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