The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the xorg-x11-server-Xwayland-21.1.3-5.el9 build changelog.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4009)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4010)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

  - 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. (CVE-2022-2319)

  - 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 memory access past the end of an allocated buffer. This flaw allows an attacker to     escalate privileges and execute arbitrary code in the context of root. (CVE-2022-2320)

  - 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 apply a patch to fix this issue. The associated identifier of this vulnerability is     VDB-211051. (CVE-2022-3550)

  - 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 recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211052.
    (CVE-2022-3551)

  - 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-2022-4283)

  - A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the     XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger     than 32 bytes are sent through a the XTestFakeInput request. 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. This issue does not affect systems where client and server use the same byte order.
    (CVE-2022-46340)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab     request accesses out-of-bounds memory when invoked with a high keycode or button code. 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-2022-46341)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the     XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local     privileges elevation on systems where the X se (CVE-2022-46342)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the     ScreenSaverSetAttributes request may write to memory after it has been freed. 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-2022-46343)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty     request has a length-validation issues, resulting in out-of-bounds memory reads and potential information     disclosure. 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-2022-46344)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:4069-1 advisory.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:4071-1 advisory.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:1587-1 advisory.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2022:0003-1 advisory.

  - xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access (CVE-2021-4008)

  - xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access (CVE-2021-4009)

  - xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access (CVE-2021-4010)

  - xorg-x11-server: SwapCreateRegister out-of-bounds access (CVE-2021-4011)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the xorg-x11-server package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4009)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4010)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2022:1917 advisory.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4009)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4010)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4009)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote NewStart CGSL host, running version MAIN 6.06, has xorg-x11-server packages installed that are affected by multiple vulnerabilities:

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty     request has a length-validation issues, resulting in out-of-bounds memory reads and potential information     disclosure. 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-2022-46344)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

  - 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. (CVE-2020-14345)

  - 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     vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-14346)

  - 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. (CVE-2020-14347)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5193-1 advisory.

    Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could     use this issue to cause the server to crash, resulting in a denial of service, or possibly execute     arbitrary code and escalate privileges.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2869 advisory.

    Jan-Niklas Sohn discovered that multiple input validation failures in X server extensions of the X.org X     server may result in privilege escalation if the X server is running privileged. For Debian 9 stretch,     these problems have been fixed in version 2:1.19.2-1+deb9u9. We recommend that you upgrade your xorg-     server packages. For the detailed security status of xorg-server please refer to its security tracker page     at: https://security-tracker.debian.org/tracker/xorg-server Further information about Debian LTS security     advisories, how to apply these updates to your system and frequently asked questions can be found at:
    https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:0003 advisory.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4009)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4010)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5193-3 advisory.

    USN-5193-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for     Ubuntu 16.04 ESM.



Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2022-3547:01 advisory.

    * xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access     (CVE-2021-4008)
      * xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access     (CVE-2021-4009)
      * xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access     (CVE-2021-4010)
      * xorg-x11-server: SwapCreateRegister out-of-bounds access (CVE-2021-4011)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the xorg-x11-server-1.20.11-15.el9 build changelog.

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4008)

  - 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 confidentiality and integrity as well as system availability. (CVE-2021-4009)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4010)

  - 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     confidentiality and integrity as well as system availability. (CVE-2021-4011)

  - 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. (CVE-2022-2319)

  - 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 memory access past the end of an allocated buffer. This flaw allows an attacker to     escalate privileges and execute arbitrary code in the context of root. (CVE-2022-2320)

  - 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 apply a patch to fix this issue. The associated identifier of this vulnerability is     VDB-211051. (CVE-2022-3550)

  - 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 recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211052.
    (CVE-2022-3551)

  - 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-2022-4283)

  - A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the     XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger     than 32 bytes are sent through a the XTestFakeInput request. 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. This issue does not affect systems where client and server use the same byte order.
    (CVE-2022-46340)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab     request accesses out-of-bounds memory when invoked with a high keycode or button code. 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-2022-46341)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the     XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local     privileges elevation on systems where the X se (CVE-2022-46342)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the     ScreenSaverSetAttributes request may write to memory after it has been freed. 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-2022-46343)

  - A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty     request has a length-validation issues, resulting in out-of-bounds memory reads and potential information     disclosure. 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-2022-46344)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
191311	CentOS 9 : xorg-x11-server-Xwayland-21.1.3-5.el9	Nessus	CentOS Local Security Checks	2024/2/29	2024/4/26	high
156085	SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2021:4069-1)	Nessus	SuSE Local Security Checks	2021/12/15	2023/7/13	high
156098	SUSE SLES15 Security Update : xorg-x11-server (SUSE-SU-2021:4071-1)	Nessus	SuSE Local Security Checks	2021/12/15	2023/7/13	high
156142	openSUSE 15 Security Update : xorg-x11-server (openSUSE-SU-2021:1587-1)	Nessus	SuSE Local Security Checks	2021/12/17	2022/4/26	high
156456	Scientific Linux Security Update : xorg-x11-server on SL7.x i686/x86_64 (2022:0003)	Nessus	Scientific Linux Local Security Checks	2022/1/4	2022/4/26	high
158527	EulerOS 2.0 SP9 : xorg-x11-server (EulerOS-SA-2022-1314)	Nessus	Huawei Local Security Checks	2022/3/2	2022/4/26	high
158531	EulerOS 2.0 SP9 : xorg-x11-server (EulerOS-SA-2022-1298)	Nessus	Huawei Local Security Checks	2022/3/2	2022/4/26	high
161102	AlmaLinux 8 : xorg-x11-server and xorg-x11-server-Xwayland (ALSA-2022:1917)	Nessus	Alma Linux Local Security Checks	2022/5/12	2022/5/12	high
161583	EulerOS 2.0 SP3 : xorg-x11-server (EulerOS-SA-2022-1773)	Nessus	Huawei Local Security Checks	2022/5/26	2022/5/26	high
266275	NewStart CGSL MAIN 6.06 : xorg-x11-server Multiple Vulnerabilities (NS-SA-2025-0235)	Nessus	NewStart CGSL Local Security Checks	2025/9/30	2025/9/30	high
156076	Ubuntu 18.04 LTS / 20.04 LTS : X.Org X Server vulnerabilities (USN-5193-1)	Nessus	Ubuntu Local Security Checks	2021/12/14	2024/8/27	high
156392	Debian DLA-2869-1 : xorg-server - LTS security update	Nessus	Debian Local Security Checks	2021/12/30	2025/1/24	high
156460	CentOS 7 : xorg-x11-server (RHSA-2022:0003)	Nessus	CentOS Local Security Checks	2022/1/4	2024/10/9	high
178945	Ubuntu 16.04 ESM : X.Org X Server vulnerabilities (USN-5193-3)	Nessus	Ubuntu Local Security Checks	2023/7/27	2024/10/29	high
294239	MiracleLinux 8 : xorg-x11-server-1.20.11-5.el8, xorg-x11-server-Xwayland-21.1.3-2.el8 (AXSA:2022-3547:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high
191326	CentOS 9 : xorg-x11-server-1.20.11-15.el9	Nessus	CentOS Local Security Checks	2024/2/29	2024/4/26	high

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