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Search Results (174 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2025-26595 | 3 Redhat, Tigervnc, X.org | 9 Enterprise Linux, Rhel Aus, Rhel E4s and 6 more | 2026-06-29 | 7.8 High |
| A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size. | ||||
| CVE-2025-26594 | 3 Redhat, Tigervnc, X.org | 9 Enterprise Linux, Rhel Aus, Rhel E4s and 6 more | 2026-06-29 | 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-2023-6478 | 4 Debian, Redhat, Tigervnc and 1 more | 11 Debian Linux, Enterprise Linux, Enterprise Linux Eus and 8 more | 2026-06-23 | 7.6 High |
| A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information. | ||||
| CVE-2023-6377 | 4 Debian, Redhat, Tigervnc and 1 more | 11 Debian Linux, Enterprise Linux, Enterprise Linux Eus and 8 more | 2026-06-23 | 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-2023-5574 | 2 Redhat, X.org | 2 Enterprise Linux, X Server | 2026-06-23 | 7 High |
| A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with 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 a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service. | ||||
| CVE-2023-5380 | 4 Debian, Fedoraproject, Redhat and 1 more | 5 Debian Linux, Fedora, Enterprise Linux and 2 more | 2026-06-23 | 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 | 17 Debian Linux, Fedora, Enterprise Linux and 14 more | 2026-06-23 | 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-2026-34002 | 2 Redhat, X.org | 9 Enterprise Linux, Enterprise Linux Eus, Rhel Aus and 6 more | 2026-06-08 | 6.1 Medium |
| A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard Extension) modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory boundaries. This can lead to the exposure of sensitive information or cause the server to crash, resulting in a denial of service. | ||||
| CVE-2026-34000 | 2 Redhat, X.org | 10 Enterprise Linux, Enterprise Linux Eus, Rhel Aus and 7 more | 2026-06-08 | 6.1 Medium |
| A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server, either locally or remotely, can exploit this without user interaction. This could lead to the disclosure of memory contents or cause a denial of service by crashing the server. | ||||
| CVE-2026-34003 | 2 Redhat, X.org | 9 Enterprise Linux, Enterprise Linux Eus, Rhel Aus and 6 more | 2026-06-08 | 7.8 High |
| A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash, leading to a Denial of Service (DoS). In certain configurations, higher impact outcomes may be possible. | ||||
| CVE-2026-34001 | 2 Redhat, X.org | 9 Enterprise Linux, Enterprise Linux Eus, Rhel Aus and 6 more | 2026-06-08 | 7.8 High |
| A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence() function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially enabling memory corruption. This could result in a denial of service or further compromise of the system. | ||||
| CVE-2009-2718 | 3 Redhat, Sun, X.org | 3 Rhel Extras, Java Se, X11 | 2026-04-23 | N/A |
| The Abstract Window Toolkit (AWT) implementation in Sun Java SE 6 before Update 15 on X11 does not impose the intended constraint on distance from the window border to the Security Warning Icon, which makes it easier for context-dependent attackers to trick a user into interacting unsafely with an untrusted applet. | ||||
| CVE-2006-6102 | 3 Redhat, X.org, Xfree86 Project | 3 Enterprise Linux, X.org, Xfree86 X Server | 2026-04-23 | N/A |
| Integer overflow in the ProcDbeGetVisualInfo function in the DBE extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of unspecified data structures. | ||||
| CVE-2007-6429 | 2 Redhat, X.org | 4 Enterprise Linux, Evi, Mit-shm and 1 more | 2026-04-23 | N/A |
| Multiple integer overflows in X.Org Xserver before 1.4.1 allow context-dependent attackers to execute arbitrary code via (1) a GetVisualInfo request containing a 32-bit value that is improperly used to calculate an amount of memory for allocation by the EVI extension, or (2) a request containing values related to pixmap size that are improperly used in management of shared memory by the MIT-SHM extension. | ||||
| CVE-2007-6427 | 8 Apple, Canonical, Debian and 5 more | 12 Mac Os X, Ubuntu Linux, Debian Linux and 9 more | 2026-04-23 | N/A |
| The XInput extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to execute arbitrary code via requests related to byte swapping and heap corruption within multiple functions, a different vulnerability than CVE-2007-4990. | ||||
| CVE-2006-5215 | 3 Netbsd, Sun, X.org | 4 Netbsd, Solaris, Sunos and 1 more | 2026-04-23 | N/A |
| The Xsession script, as used by X Display Manager (xdm) in NetBSD before 20060212, X.Org before 20060317, and Solaris 8 through 10 before 20061006, allows local users to overwrite arbitrary files, or read another user's Xsession errors file, via a symlink attack on a /tmp/xses-$USER file. | ||||
| CVE-2008-0006 | 3 Redhat, Sun, X.org | 4 Enterprise Linux, Solaris Libfont, Solaris Libxfont and 1 more | 2026-04-23 | N/A |
| Buffer overflow in (1) X.Org Xserver before 1.4.1, and (2) the libfont and libXfont libraries on some platforms including Sun Solaris, allows context-dependent attackers to execute arbitrary code via a PCF font with a large difference between the last col and first col values in the PCF_BDF_ENCODINGS table. | ||||
| CVE-2007-4990 | 2 Redhat, X.org | 2 Enterprise Linux, X Font Server | 2026-04-23 | N/A |
| The swap_char2b function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption. | ||||
| CVE-2007-5760 | 3 Redhat, X.org, Xfree86 Project | 3 Enterprise Linux, Xserver, Xfree86-misc | 2026-04-23 | N/A |
| Array index error in the XFree86-Misc extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to execute arbitrary code via a PassMessage request containing a large array index. | ||||
| CVE-2009-2711 | 2 Sun, X.org | 3 Opensolaris, Solaris, X11 | 2026-04-23 | N/A |
| XScreenSaver in Sun Solaris 9 and 10, OpenSolaris before snv_120, and X11 6.4.1 for Solaris 8, when the Xorg or Xnewt server is used, allows physically proximate attackers to obtain sensitive information by reading popup windows, which are displayed even when the screen is locked, a different vulnerability than CVE-2009-1276. | ||||