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    CVE-2025-62229

    A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service.

    Published:Oct 29, 2025
    Last Modified:Apr 20, 2026
    EPS:Oct 30, 2025
    EPSS Score:0.00014
    CVSS Score:7.3

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    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

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://access.redhat.com/errata/RHSA-2025:19432
    https://access.redhat.com/errata/RHSA-2025:19433
    https://access.redhat.com/errata/RHSA-2025:19434
    https://access.redhat.com/errata/RHSA-2025:19435
    https://access.redhat.com/errata/RHSA-2025:19489
    https://access.redhat.com/errata/RHSA-2025:19623
    https://access.redhat.com/errata/RHSA-2025:19909
    https://access.redhat.com/errata/RHSA-2025:20958
    https://access.redhat.com/errata/RHSA-2025:20960
    https://access.redhat.com/errata/RHSA-2025:20961
    https://access.redhat.com/errata/RHSA-2025:21035
    https://access.redhat.com/errata/RHSA-2025:22040
    https://access.redhat.com/errata/RHSA-2025:22041
    https://access.redhat.com/errata/RHSA-2025:22051
    https://access.redhat.com/errata/RHSA-2025:22055
    https://access.redhat.com/errata/RHSA-2025:22056
    https://access.redhat.com/errata/RHSA-2025:22077
    https://access.redhat.com/errata/RHSA-2025:22096
    https://access.redhat.com/errata/RHSA-2025:22164
    https://access.redhat.com/errata/RHSA-2025:22167
    https://access.redhat.com/errata/RHSA-2025:22364
    https://access.redhat.com/errata/RHSA-2025:22365
    https://access.redhat.com/errata/RHSA-2025:22426
    https://access.redhat.com/errata/RHSA-2025:22427
    https://access.redhat.com/errata/RHSA-2025:22667
    https://access.redhat.com/errata/RHSA-2025:22729
    https://access.redhat.com/errata/RHSA-2025:22742
    https://access.redhat.com/errata/RHSA-2025:22753
    https://access.redhat.com/errata/RHSA-2026:0031
    https://access.redhat.com/errata/RHSA-2026:0033
    https://access.redhat.com/errata/RHSA-2026:0034
    https://access.redhat.com/errata/RHSA-2026:0035
    https://access.redhat.com/errata/RHSA-2026:0036
    https://access.redhat.com/security/cve/CVE-2025-62229
    https://bugzilla.redhat.com/show_bug.cgi?id=2402649
    https://lists.x.org/archives/xorg-announce/2025-October/003635.html
    http://www.openwall.com/lists/oss-security/2025/10/28/7
    https://lists.debian.org/debian-lts-announce/2025/10/msg00033.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