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x.org vulnerabilities and exploits
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7.8
CVSSv3
CVE-2020-14363
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged malicious user to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to ...
X.org Libx11
Fedoraproject Fedora 33
1 Github repository
NA
CVE-2007-5760
Array index error in the XFree86-Misc extension in X.Org Xserver prior to 1.4.1 allows context-dependent malicious users to execute arbitrary code via a PassMessage request containing a large array index.
Xfree86 Project Xfree86-misc
X.org Xserver
7.8
CVSSv3
CVE-2023-6377
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 inv...
Redhat Enterprise Linux Eus 9.2
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
X.org X Server
X.org Xwayland
Tigervnc Tigervnc -
7.5
CVSSv3
CVE-2023-6478
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.
X.org X Server
X.org Xwayland
Redhat Enterprise Linux Eus 9.2
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
Tigervnc Tigervnc -
7.8
CVSSv3
CVE-2020-25712
A flaw was found in xorg-x11-server prior to 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
X.org X Server
Redhat Enterprise Linux 8.0
7
CVSSv3
CVE-2023-5574
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-f...
X.org X Server
Redhat Enterprise Linux 7.0
7
CVSSv3
CVE-2017-2624
It was found that xorg-x11-server prior to 1.19.0 including uses memcmp() to check the received MIT cookie against a series of valid cookies. If the cookie is correct, it is allowed to attach to the Xorg session. Since most memcmp() implementations return after an invalid byte is...
X.org Xorg-server
Debian Debian Linux 7.0
NA
CVE-2008-0006
Buffer overflow in (1) X.Org Xserver prior to 1.4.1, and (2) the libfont and libXfont libraries on some platforms including Sun Solaris, allows context-dependent malicious users to execute arbitrary code via a PCF font with a large difference between the last col and first col va...
Sun Solaris Libfont
Sun Solaris Libxfont
X.org Xserver
9.8
CVSSv3
CVE-2023-6816
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 num...
X.org Xwayland
X.org Xorg-server
Fedoraproject Fedora 39
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Workstation 7.0
Redhat Enterprise Linux Server 7.0
Debian Debian Linux 10.0
NA
CVE-2004-0419
XDM in XFree86 opens a chooserFd TCP socket even when DisplayManager.requestPort is 0, which could allow remote malicious users to connect to the port, in violation of the intended restrictions.
X.org X11r6 6.7.0
Xfree86 Project Xdm Cvs
Gentoo Linux 1.4
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
client side
CVE-2023-31889
template injection
CVE-2024-4304
CVE-2006-4304
CVE-2024-33272
type confusion
CVE-2024-21345
CVE-2024-33271
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