Fedora 44 : xorg-x11-server (2026-28b7854014)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-28b7854014 advisory. Update to xserver 21.1.24, fixes for: CVE-2026-55999, CVE-2025-56000 Tenable has extracted the preceding description block directly from the Fedora...

xorg-x11-server-21.1.21-8.1 on GA media (moderate)

xorg-x11-server-21.1.21-8.1 on GA media Announcement ID: openSUSE-SU-2026:11244-1 Rating: moderate Cross-References: CVE-2026-55999 CVE-2026-56000 CVSS scores: CVE-2026-55999 SUSE : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2026-55999 SUSE : 7.3...

Oracle Linux 7 : tigervnc (ELSA-2026-22456)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-22456 advisory. - Fix CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003 and CVE-2026-34352 Orabug: 39478221 - Fix CVE-2025-62229:...

EulerOS 2.0 SP12 : xorg-x11-server (EulerOS-SA-2026-2577)

According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the...

RHSA-2026:36792 Red Hat Security Advisory: xorg-x11-server security update

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RHSA-2026:36791 Red Hat Security Advisory: xorg-x11-server security update

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RHSA-2026:36768 Red Hat Security Advisory: xorg-x11-server security update

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SUSE CVE-2026-55999

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...

RHEL 8 : xorg-x11-server (RHSA-2026:36768)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:36768 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...

SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2026:2789-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2789-1 advisory. This update for xorg-x11-server fixes the following issues - CVE-2026-55999: glamor Font Atlas Heap Buffer Overflow bsc1268893. -...

FreeBSD : xorg-server -- Multiple vulnerabilities (d6354a08-7ad4-11f1-a315-589cfc10a551)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the d6354a08-7ad4-11f1-a315-589cfc10a551 advisory. X.Org project reports: Multiple issues have been found in the X server and Xwayland...

tigervnc security update

1.8.0-33.0.11 - Fix CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003 and CVE-2026-34352 Orabug: 39478221 1.8.0-33.0.9 - Fix CVE-2025-62229: xorg-x11-server: Use-after-free in XPresentNotify structures creation Orabug: 38694278 - Fix CVE-2025-62230: xorg-x11-server:...

SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2026:2792-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:2792-1 advisory. This update for xorg-x11-server fixes the following issue - CVE-2026-55999: missing bounds check in glamorfontget can lead to a heap buffer overflow wh...

Alibaba Cloud Linux 3 : 0183: xorg-x11-server-Xwayland (ALINUX3-SA-2026:0183)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0183 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-50256: A stack-based buffer...

FreeBSD : xwayland -- Multiple vulnerabilities (7ac0f35a-7aeb-11f1-a315-589cfc10a551)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 7ac0f35a-7aeb-11f1-a315-589cfc10a551 advisory. X.Org project reports: Multiple issues have been found in the X server and Xwayland...

OPENSUSE-SU-2026:11244-1 xorg-x11-server-21.1.21-8.1 on GA media

These are all security issues fixed in the xorg-x11-server-21.1.21-8.1 package on the GA media of openSUSE Tumbleweed...

RHEL 8 : xorg-x11-server (RHSA-2026:36791)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:36791 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...

Oracle Linux 7 : xorg-x11-server (ELSA-2026-20590)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20590 advisory. - Security update for CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 Orabug: 39440282 - Security update for CVE-2025-62229...

Slackware Linux 15.0 / current xorg-server Multiple Vulnerabilities (SSA:2026-189-03)

The version of xorg-server installed on the remote host is prior to 1.20.14 / 21.1.24 / 21.1.4 / 24.1.13. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-189-03 advisory. New xorg-server packages are available for Slackware 15.0 and -current to fix security...

SUSE SLES15: xorg-x11-server / xorg-x11-server-Xvfb / xorg-x11-server-extra / etc (SUSE-SU-2026:2786-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2786-1 advisory. This update for xorg-x11-server fixes the following issues - CVE-2026-55999: missing bounds check in glamorfontget can lead to a he...