Red Hat alert RHSA-2025:7165-01 (xorg-x11-server-Xwayland)

An update for xorg-x11-server-Xwayland is now available for Red Hat
Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Xwayland is an X server for running X clients under Wayland.

Security Fix(es):

* xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation
vulnerability (CVE-2024-9632)

* X.Org: Xwayland: Use-after-free of the root cursor (CVE-2025-26594)

* xorg: xwayland: Use-after-free in SyncInitTrigger() (CVE-2025-26601)

* xorg: xwayland: Use-after-free in PlayReleasedEvents() (CVE-2025-26600)

* xorg: xwayland: Use of uninitialized pointer in compRedirectWindow()
(CVE-2025-26599)

* xorg: xwayland: Out-of-bounds write in CreatePointerBarrierClient()
(CVE-2025-26598)

* xorg: xwayland: Buffer overflow in XkbChangeTypesOfKey() (CVE-2025-26597)

* xorg: xwayland: Heap overflow in XkbWriteKeySyms() (CVE-2025-26596)

* Xorg: xwayland: Buffer overflow in XkbVModMaskText() (CVE-2025-26595)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 9 Release Notes linked from the References section.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_7165.json