The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5517 advisory.

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-383 advisory.

    libX11: out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785)

    A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw     allows a local user to consume all available system resources and cause a denial of service condition.
    (CVE-2023-43786)

    libX11: integer overflow in XCreateImage() leading to a heap overflow. (CVE-2023-43787)

Tenable has extracted the preceding description block directly from the tested product 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 version of libX11 installed on the remote host is prior to 1.6.0-2.2.16. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1859 advisory.

    libX11: out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785)

    libX11: integer overflow in XCreateImage() leading to a heap overflow. (CVE-2023-43787)

Tenable has extracted the preceding description block directly from the tested product 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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2024:2973 advisory.

  - A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function.
    This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on     the system. (CVE-2023-43785)

  - A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw     allows a local user to consume all available system resources and cause a denial of service condition.
    (CVE-2023-43786)

  - A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This     flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated     privileges. (CVE-2023-43787)

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 libX11-1.7.0-9.el9 build changelog.

  - out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785)

  - stack exhaustion from infinite recursion in PutSubImage() (CVE-2023-43786)

  - integer overflow in XCreateImage() leading to a heap overflow (CVE-2023-43787)

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 / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6408-2 advisory.

    USN-6408-1 fixed several vulnerabilities in libXpm. This update provides the corresponding update for     Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.



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 version of libXpm installed on the remote host is prior to 3.5.10-2.12. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1875 advisory.

    A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw     allows a local user to consume all available system resources and cause a denial of service condition.
    (CVE-2023-43786)

    libX11: integer overflow in XCreateImage() leading to a heap overflow. (CVE-2023-43787)

    libXpm: out of bounds read on XPM with corrupted colormap (CVE-2023-43789)

Tenable has extracted the preceding description block directly from the tested product 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 Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-2973 advisory.

    - Fix CVE-2023-43785: out-of-bounds memory access in _XkbReadKeySyms()
    - Fix CVE-2023-43786: stack exhaustion from infinite recursion in       PutSubImage()

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

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

ID	Name	Product	Family	Published	Updated	Severity
182651	Debian DSA-5517-1 : libx11 - security update	Nessus	Debian Local Security Checks	10/5/2023	10/16/2023	high
183823	Amazon Linux 2023 : libX11, libX11-common, libX11-devel (ALAS2023-2023-383)	Nessus	Amazon Linux Local Security Checks	10/24/2023	12/11/2024	high
183849	Amazon Linux AMI : libX11 (ALAS-2023-1859)	Nessus	Amazon Linux Local Security Checks	10/25/2023	12/11/2024	high
197654	CentOS 8 : libX11 (CESA-2024:2973)	Nessus	CentOS Local Security Checks	5/22/2024	5/22/2024	high
191263	CentOS 9 : libX11-1.7.0-9.el9	Nessus	CentOS Local Security Checks	2/29/2024	4/26/2024	high
183750	Ubuntu 16.04 ESM / 18.04 ESM : libXpm vulnerabilities (USN-6408-2)	Nessus	Ubuntu Local Security Checks	10/23/2023	10/29/2024	high
184386	Amazon Linux AMI : libXpm (ALAS-2023-1875)	Nessus	Amazon Linux Local Security Checks	11/3/2023	12/11/2024	high
197999	Oracle Linux 8 : libX11 (ELSA-2024-2973)	Nessus	Oracle Linux Local Security Checks	5/28/2024	9/9/2025	high

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