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Important CVEs for Oracle Linux 9 xorg-x11-server-Xwayland ELSA-2026

Linuxsecurity •LinuxSecurity Advisories • September 3, 2026

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[24.1.9-4.3] - CVE fix for: CVE-2026-55999, CVE-2026-56000 Resolves: Resolves:

xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.i686.rpm xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.x86_64.rpm xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.i686.rpm xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.x86_64.rpm

xorg-x11-server-Xwayland-24.1.9-4.el9_8.3.aarch64.rpm xorg-x11-server-Xwayland-devel-24.1.9-4.el9_8.3.aarch64.rpm

Related CVEs: CVE-2026-55999 CVE-2026-56000

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple Oracle Linux Security Updates Address Critical Vulnerabilities Oracle has released multiple security updates for its Linux distributions, addressing several critical vulnerabilities. Key updates include patches for CVE-2026-59090 and CVE-2026-18301 in GIMP, and multiple CVEs in FreeRDP, libssh, and Grafana. Affected systems include Oracle Linux 8, 9, and 10, with vulnerabilities allowing for potential remote code execution and privilege escalation. The updates also resolve issues related to file handling and email verification in Grafana. Administrators are urged to apply these patches promptly to mitigate risks. The updates were published on September 3, 2026, and are part of ongoing efforts to maintain system security. Specific CVEs include CVE-2026-55194, CVE-2026-67288, and CVE-2026-18300, among others. 65 sources 46

Extracted Entities

CVEs (2)

CVE-2026-55999 CVE-2026-56000