According to the version of the json-c package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability :

  - A flaw was found in json-c. In printbuf_memappend,     certain crafted values can overflow the memory allowing     an attacker to write past the memory boundary. The     highest threat from this vulnerability is to data     confidentiality and integrity as well as system     availability.(CVE-2020-12762)

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.

According to the version of the json-c package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - json-c through 0.14 has an integer overflow and     out-of-bounds write via a large JSON file, as     demonstrated by printbuf_memappend.(CVE-2020-12762)

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.

According to the versions of the libfastjson package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated     by printbuf_memappend. (CVE-2020-12762)

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 Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4360-4 advisory.

    USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in     USN-4360-2 and USN-4360-3. This update provides the correct fix update for CVE-2020-12762.



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

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4382 advisory.

    JSON-C implements a reference counting object model that allows users to easily construct JavaScript     Object Notation (JSON) objects in C, output them as JSON formatted strings, and parse JSON formatted     strings back into the C representation of JSON objects.

    Security Fix(es):

    * json-c: integer overflow and out-of-bounds write via a large JSON file (CVE-2020-12762)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 SLES12 / SLES_SAP12 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2024:1846-1 advisory.

    - CVE-2020-12762: Fixed integer overflow and out-of-bounds write via a large JSON file (bsc#1171479).

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

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

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-6431 advisory.

    [0.99.9-5]
    - Rebuild     Resolves: rhbz#2227786

    [0.99.9-4]
    - Address CVE-2020-12762     Resolves: rhbz#2203172

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

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 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2022:0184-2 advisory.

  - json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated     by printbuf_memappend. (CVE-2020-12762)

Note that Nessus has not tested for this issue 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 a vulnerability as referenced in the CESA-2021:4382 advisory.

  - json-c: integer overflow and out-of-bounds write via a large JSON file (CVE-2020-12762)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated     by printbuf_memappend. (CVE-2020-12762)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
140355	EulerOS Virtualization for ARM 64 3.0.2.0 : json-c (EulerOS-SA-2020-1985)	Nessus	Huawei Local Security Checks	9/8/2020	2/21/2024	high
141647	EulerOS Virtualization 3.0.2.2 : json-c (EulerOS-SA-2020-2189)	Nessus	Huawei Local Security Checks	10/21/2020	2/14/2024	high
188173	EulerOS Virtualization 2.11.1 : libfastjson (EulerOS-SA-2023-2726)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	high
136964	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : json-c vulnerability (USN-4360-4)	Nessus	Ubuntu Local Security Checks	5/29/2020	10/29/2024	high
155122	RHEL 8 : json-c (RHSA-2021:4382)	Nessus	Red Hat Local Security Checks	11/11/2021	11/7/2024	high
198129	SUSE SLES12 Security Update : libfastjson (SUSE-SU-2024:1846-1)	Nessus	SuSE Local Security Checks	5/30/2024	5/30/2024	high
185871	Oracle Linux 9 : libfastjson (ELSA-2023-6431)	Nessus	Oracle Linux Local Security Checks	11/16/2023	11/2/2024	high
158156	SUSE SLES15 Security Update : json-c (SUSE-SU-2022:0184-2)	Nessus	SuSE Local Security Checks	2/18/2022	7/13/2023	high
155054	CentOS 8 : json-c (CESA-2021:4382)	Nessus	CentOS Local Security Checks	11/11/2021	11/24/2023	high
223335	Linux Distros Unpatched Vulnerability : CVE-2020-12762	Nessus	Misc.	3/4/2025	9/3/2025	high

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