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x.org x server 1.20.4 vulnerabilities and exploits
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7.8
CVSSv3
CVE-2021-4011
A flaw was found in xorg-x11-server in versions prior to 21.1.2 and prior to 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
X.org X Server
X.org X Server 21.1.1
X.org X Server 21.1.0
Fedoraproject Fedora 34
Fedoraproject Fedora 35
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Debian Debian Linux 11.0
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
7.8
CVSSv3
CVE-2022-4283
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 ...
X.org Xorg-server 1.20.4
Fedoraproject Fedora 36
Fedoraproject Fedora 37
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 6.0
Redhat Enterprise Linux 8.0
Redhat Enterprise Linux 9.0
Debian Debian Linux 11.0
7.8
CVSSv3
CVE-2020-14345
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function 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
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
7.8
CVSSv3
CVE-2021-3472
A flaw was found in xorg-x11-server in versions prior to 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
X.org X Server
Fedoraproject Fedora 32
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 8.0
7.8
CVSSv3
CVE-2020-14346
A flaw was found in xorg-x11-server prior to 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as sys...
X.org Xorg-server
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 6.0
Canonical Ubuntu Linux 14.04
Redhat Enterprise Linux 8.0
7.8
CVSSv3
CVE-2020-14361
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 availabilit...
X.org Xorg-server
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 6.0
Canonical Ubuntu Linux 14.04
Redhat Enterprise Linux 8.0
7.8
CVSSv3
CVE-2020-14362
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 availabilit...
X.org Xorg-server
Redhat Enterprise Linux 7.0
Redhat Enterprise Linux 6.0
Canonical Ubuntu Linux 14.04
Redhat Enterprise Linux 8.0
5.5
CVSSv3
CVE-2020-14347
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
X.org Xorg-server
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
CVSSv3
CVSSv2
CVSSv3
VMScore
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