Filtered by vendor X.org
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Total
153 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2025-26594 | 3 Redhat, Tigervnc, X.org | 4 Enterprise Linux, Tigervnc, X Server and 1 more | 2026-04-06 | N/A | 7.8 HIGH |
| A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free. | |||||
| CVE-2023-6377 | 4 Debian, Redhat, Tigervnc and 1 more | 6 Debian Linux, Enterprise Linux, Enterprise Linux Eus and 3 more | 2026-03-24 | N/A | 7.8 HIGH |
| A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved. | |||||
| CVE-2023-6816 | 4 Debian, Fedoraproject, Redhat and 1 more | 7 Debian Linux, Fedora, Enterprise Linux Desktop and 4 more | 2026-03-19 | N/A | 9.8 CRITICAL |
| A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's particular number of buttons, leading to a heap overflow if a bigger value was used. | |||||
| CVE-2023-5380 | 4 Debian, Fedoraproject, Redhat and 1 more | 5 Debian Linux, Fedora, Enterprise Linux and 2 more | 2025-11-04 | N/A | 4.7 MEDIUM |
| A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed. | |||||
| CVE-2023-5367 | 4 Debian, Fedoraproject, Redhat and 1 more | 12 Debian Linux, Fedora, Enterprise Linux and 9 more | 2025-11-04 | N/A | 7.8 HIGH |
| A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service. | |||||
| CVE-2023-43788 | 3 Fedoraproject, Redhat, X.org | 3 Fedora, Enterprise Linux, Libxpm | 2025-11-04 | N/A | 5.5 MEDIUM |
| A vulnerability was found in libXpm due to a boundary condition within the XpmCreateXpmImageFromBuffer() function. This flaw allows a local attacker to trigger an out-of-bounds read error and read the contents of memory on the system. | |||||
| CVE-2023-43787 | 3 Fedoraproject, Redhat, X.org | 3 Fedora, Enterprise Linux, Libx11 | 2025-11-04 | N/A | 7.8 HIGH |
| A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges. | |||||
| CVE-2023-43786 | 3 Fedoraproject, Redhat, X.org | 3 Fedora, Enterprise Linux, Libx11 | 2025-11-04 | N/A | 5.5 MEDIUM |
| A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition. | |||||
| CVE-2023-43785 | 3 Fedoraproject, Redhat, X.org | 3 Fedora, Enterprise Linux, Libx11 | 2025-11-04 | N/A | 6.5 MEDIUM |
| A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system. | |||||
| CVE-2024-0229 | 3 Fedoraproject, Redhat, X.org | 8 Fedora, Enterprise Linux, Enterprise Linux Aus and 5 more | 2025-11-04 | N/A | 7.8 HIGH |
| An out-of-bounds memory access flaw was found in the X.Org server. This issue can be triggered when a device frozen by a sync grab is reattached to a different master device. This issue may lead to an application crash, local privilege escalation (if the server runs with extended privileges), or remote code execution in SSH X11 forwarding environments. | |||||
| CVE-2017-12180 | 2 Debian, X.org | 2 Debian Linux, X Server | 2025-08-29 | 7.5 HIGH | 9.8 CRITICAL |
| xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code. | |||||
| CVE-2022-4283 | 4 Debian, Fedoraproject, Redhat and 1 more | 4 Debian Linux, Fedora, Enterprise Linux and 1 more | 2025-08-29 | N/A | 7.8 HIGH |
| A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. | |||||
| CVE-2017-12179 | 2 Debian, X.org | 2 Debian Linux, X Server | 2025-08-29 | 7.5 HIGH | 9.8 CRITICAL |
| xorg-x11-server before 1.19.5 was vulnerable to integer overflow in (S)ProcXIBarrierReleasePointer functions allowing malicious X client to cause X server to crash or possibly execute arbitrary code. | |||||
| CVE-2017-12178 | 2 Debian, X.org | 2 Debian Linux, X Server | 2025-08-29 | 7.5 HIGH | 9.8 CRITICAL |
| xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code. | |||||
| CVE-2017-12182 | 2 Debian, X.org | 2 Debian Linux, X Server | 2025-08-29 | 7.5 HIGH | 9.8 CRITICAL |
| xorg-x11-server before 1.19.5 was missing length validation in XFree86 DRI extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code. | |||||
| CVE-2017-12186 | 2 Debian, X.org | 2 Debian Linux, X Server | 2025-08-29 | 7.5 HIGH | 9.8 CRITICAL |
| xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code. | |||||
| CVE-2024-0408 | 4 Fedoraproject, Redhat, Tigervnc and 1 more | 12 Fedora, Enterprise Linux, Enterprise Linux Desktop and 9 more | 2025-08-29 | N/A | 5.5 MEDIUM |
| A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL. | |||||
| CVE-2018-14665 | 4 Canonical, Debian, Redhat and 1 more | 9 Ubuntu Linux, Debian Linux, Enterprise Linux Desktop and 6 more | 2025-08-29 | 7.2 HIGH | 6.6 MEDIUM |
| A flaw was found in xorg-x11-server before 1.20.3. An incorrect permission check for -modulepath and -logfile options when starting Xorg. X server allows unprivileged users with the ability to log in to the system via physical console to escalate their privileges and run arbitrary code under root privileges. | |||||
| CVE-2017-12184 | 2 Debian, X.org | 2 Debian Linux, X Server | 2025-08-29 | 7.5 HIGH | 9.8 CRITICAL |
| xorg-x11-server before 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code. | |||||
| CVE-2020-14362 | 3 Canonical, Redhat, X.org | 3 Ubuntu Linux, Enterprise Linux, X Server | 2025-08-29 | 4.6 MEDIUM | 7.8 HIGH |
| A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. | |||||