CVEs (97)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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A vulnerability, which was classified as problematic, was found in X.org Server. This affects an unknown part of the file hw/xquartz/X11Controller.m of the component xquartz. The manipulation leads to denial of service....Show more |
3Debian FedoraprojectX.org3Debian Linux FedoraX ServerJun 17, 2026 Oct 17, 2022 N/A· v4 6.5 MEDIUM· v3 N/A· v2 A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recomme...Show more |
3Debian FedoraprojectX.org3Debian Linux FedoraX ServerJun 17, 2026 Oct 17, 2022 N/A· v4 8.8 HIGH· v3 N/A· v2 A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation leads to buffer overflow. It is recommended to ap...Show more |
A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a me...Show more |
A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the ProcXkbSetGeometry function due to improper validation of the request length. |
3Debian FedoraprojectX.org3Debian Linux FedoraX ServerJun 17, 2026 Dec 17, 2021 N/A· v4 7.8 HIGH· v3 7.2 HIGH· v2 A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentialit...Show more |
3Debian FedoraprojectX.org3Debian Linux FedoraX ServerJun 17, 2026 Dec 17, 2021 N/A· v4 7.8 HIGH· v3 7.2 HIGH· v2 A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcScreenSaverSuspend function. The highest threat from this vulnerability is to data confident...Show more |
3Debian FedoraprojectX.org3Debian Linux FedoraX ServerJun 17, 2026 Dec 17, 2021 N/A· v4 7.8 HIGH· v3 7.2 HIGH· v2 A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data c...Show more |
3Debian FedoraprojectX.org3Debian Linux FedoraX ServerJun 17, 2026 Dec 17, 2021 N/A· v4 7.8 HIGH· v3 7.2 HIGH· v2 A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcRenderCompositeGlyphs function. The highest threat from this vulnerability is to data confid...Show more |
A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an attacker to take control of an X application by impersonating the server it is expecting t...Show more |
4Debian FedoraprojectRedhat+1 more4Debian Linux Enterprise LinuxFedora+1 moreJun 17, 2026 Apr 26, 2021 N/A· v4 7.8 HIGH· v3 7.2 HIGH· v2 A flaw was found in xorg-x11-server in versions before 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 confidential...Show more |
A flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confi...Show more |
2Redhat X.org2Enterprise Linux X ServerJun 17, 2026 Dec 15, 2020 N/A· v4 7.8 HIGH· v3 4.6 MEDIUM· v2 A flaw was found in xorg-x11-server before 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 i...Show more |
3Canonical RedhatX.org3Enterprise Linux Ubuntu LinuxX ServerJun 17, 2026 Sep 15, 2020 N/A· v4 7.8 HIGH· v3 4.6 MEDIUM· v2 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...Show more |
3Canonical RedhatX.org3Enterprise Linux Ubuntu LinuxX ServerJun 17, 2026 Sep 15, 2020 N/A· v4 7.8 HIGH· v3 4.6 MEDIUM· v2 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...Show more |
3Canonical RedhatX.org3Enterprise Linux Ubuntu LinuxX ServerJun 17, 2026 Sep 15, 2020 N/A· v4 7.8 HIGH· v3 4.6 MEDIUM· v2 A flaw was found in xorg-x11-server before 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 vulnerabili...Show more |
2Canonical X.org2Ubuntu Linux X ServerJun 17, 2026 Sep 15, 2020 N/A· v4 7.8 HIGH· v3 4.6 MEDIUM· v2 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 conf...Show more |
3Canonical DebianX.org3Debian Linux Ubuntu LinuxX ServerJun 17, 2026 Aug 5, 2020 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 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 ASL...Show more |
"" In X.Org X Server 1.20.4, there is a stack-based buffer overflow in the function XQueryKeymap. For example, by sending ct.c_char 1000 times, an attacker can cause a denial of service (application crash) or possibly ha...Show more |
4Canonical DebianRedhat+1 more9Debian Linux Enterprise Linux DesktopEnterprise Linux Server+6 moreAug 29, 2025 Oct 25, 2018 N/A· v4 6.6 MEDIUM· v3 7.2 HIGH· v2 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 ph...Show more |