ALSA-2023:1551 Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

RHEL 9 : tigervnc (RHSA-2023:1599)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1599 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it ...

Oracle Linux 9 : tigervnc (ELSA-2023-1592)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-1592 advisory. 1.12.0-5.2 - xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability Resolves: bz2180308 Tenable has extracted the...

Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

Important: Red Hat Security Advisory: tigervnc security update

An update for tigervnc is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

Important: Red Hat Security Advisory: tigervnc security update

An update for tigervnc is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security...

xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability

A vulnerability was found in X.Org Server. This flaw occurs if a client explicitly destroys the compositor overlay window aka COW, where Xserver leaves a dangling pointer to that window in the CompScreen structure, which will later trigger a use-after-free issue. The Overlay Window use-after-free...

Fedora 38 : tigervnc (2023-b87fd3a628)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-b87fd3a628 advisory. Fixes CVE-2023-1393: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability Tenable has extracted the preceding...

Fedora 38 : xorg-x11-server-Xwayland (2023-f754e7abfd)

The remote Fedora 38 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-f754e7abfd advisory. xwayland 22.1.9 Security fix for CVE-2023-1393 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that...

Fedora 37 : tigervnc (2023-66d5af0278)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-66d5af0278 advisory. Fixes CVE-2023-1393: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability Tenable has extracted the preceding...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xwayland (SUSE-SU-2023:1716-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:1716-1 advisory. - CVE-2023-1393: Fixed use-after-free overlay window ZDI-CAN-19866 bsc1209543. Tenable has extracted the...

Fedora 38 : xorg-x11-server (2023-b7835960ac)

The remote Fedora 38 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-b7835960ac advisory. Fix for CVE-2023-1393 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for...

X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of overlay...

CVE-2023-1393

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window aka COW, the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-fr...

AZL-25859 CVE-2023-1393 affecting package xorg-x11-server for versions less than 1.20.10-4

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window aka COW, the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-fr...

CVE-2023-1393

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window aka COW, the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-fr...

Design/Logic Flaw

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window aka COW, the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-fr...

CVE-2023-1393

A vulnerability was found in X.Org Server. This flaw occurs if a client explicitly destroys the compositor overlay window aka COW, where Xserver leaves a dangling pointer to that window in the CompScreen structure, which will later trigger a use-after-free issue. The Overlay Window use-after-free...

SUSE CVE-2023-1393

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window aka COW, the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-fr...