The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-5701-1 advisory.

    Yeting Li discovered that Jinja2 incorrectly handled certain inputs. An attacker could possibly use this     issue to cause a denial of service.

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 version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2022:0187 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

      CVE-2020-28493:
      This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to     the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most     exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format     user content instead of the urlize filter, or by implementing request timeouts and limiting process     memory.

Tenable has extracted the preceding description block directly from the Tencent 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 MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2829:01 advisory.

    * python: Unsafe use of eval() on data retrieved via HTTP in the test suite (CVE-2020-27619)
      * python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493)
      * python-babel: Relative path traversal allows attacker to load arbitrary locale files and execute     arbitrary code (CVE-2021-20095, CVE-2021-42771)
      * python-pygments: Infinite loop in SML lexer may lead to DoS (CVE-2021-20270)
      * python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon     in query parameters (CVE-2021-23336)
      * python-pygments: ReDoS in multiple lexers (CVE-2021-27291)
      * python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS     (CVE-2021-28957)

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 Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6599-1 advisory.

    Yeting Li discovered that Jinja incorrectly handled certain regex. An attacker could possibly use this     issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and     Ubuntu 20.04 LTS. (CVE-2020-28493)

    It was discovered that Jinja incorrectly handled certain HTML passed with xmlatter filter. An attacker     could inject arbitrary HTML attributes keys and values potentially leading to XSS. (CVE-2024-22195)

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 CentOS Linux 8 host has a package installed that is affected by a vulnerability as referenced in the CESA-2021:4161 advisory.

  - python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493)

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 multiple vulnerabilities as referenced in the CESA-2021:4151 advisory.

  - python: Unsafe use of eval() on data retrieved via HTTP in the test suite (CVE-2020-27619)

  - python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493)

  - python-pygments: Infinite loop in SML lexer may lead to DoS (CVE-2021-20270)

  - python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in     query parameters (CVE-2021-23336)

  - python-pygments: ReDoS in multiple lexers (CVE-2021-27291)

  - python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS (CVE-2021-28957)

  - python-babel: Relative path traversal allows attacker to load arbitrary locale files and     execute arbitrary code (CVE-2021-42771)

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 multiple vulnerabilities as referenced in the CESA-2021:4162 advisory.

  - python-psutil: Double free because of refcount mishandling (CVE-2019-18874)

  - python: Unsafe use of eval() on data retrieved via HTTP in the test suite (CVE-2020-27619)

  - python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493)

  - python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in     query parameters (CVE-2021-23336)

  - python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS (CVE-2021-28957)

  - python-ipaddress: Improper input validation of octal strings (CVE-2021-29921)

  - python-urllib3: ReDoS in the parsing of authority part of URL (CVE-2021-33503)

  - python: Information disclosure via pydoc (CVE-2021-3426)

  - python-pip: Incorrect handling of unicode separators in git references (CVE-2021-3572)

  - python-babel: Relative path traversal allows attacker to load arbitrary locale files and     execute arbitrary code (CVE-2021-42771)

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 IBM Spectrum Protect Plus Web UI installed on the remote host is prior to 10.1.17.1 IBM Spectrum Protect Plus. It is, therefore, affected by multiple vulnerabilities as referenced in the 7237702 advisory.

  - Jinja is an extensible templating engine. Prior to 3.1.6, an oversight in how the Jinja sandboxed     environment interacts with the |attr filter allows an attacker that controls the content of a template to     execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a     template. Whether that is the case depends on the type of application using Jinja. This vulnerability     impacts users of applications which execute untrusted templates. Jinja's sandbox does catch calls to     str.format and ensures they don't escape the sandbox. However, it's possible to use the |attr filter to     get a reference to a string's plain format method, bypassing the sandbox. After the fix, the |attr filter     no longer bypasses the environment's attribute lookup. This vulnerability is fixed in 3.1.6.
    (CVE-2025-27516)

  - This affects the package node-notifier before 9.0.0. It allows an attacker to run arbitrary commands on     Linux machines due to the options params not being sanitised when being passed an array. (CVE-2020-7789)

  - Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to     destination servers when redirected to an HTTPS endpoint. This is a product of how we use     `rebuild_proxies` to reattach the `Proxy-Authorization` header to requests. For HTTP connections sent     through the tunnel, the proxy will identify the header in the request itself and remove it prior to     forwarding to the destination server. However when sent over HTTPS, the `Proxy-Authorization` header must     be sent in the CONNECT request as the proxy has no visibility into the tunneled request. This results in     Requests forwarding proxy credentials to the destination server unintentionally, allowing a malicious     actor to potentially exfiltrate sensitive information. This issue has been patched in version 2.31.0.
    (CVE-2023-32681)

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

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017474 advisory.

    This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the     `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most     exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format     user content instead of the urlize filter, or by implementing request timeouts and limiting process     memory.

Tenable has extracted the preceding description block directly from the Unity 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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
166558	Ubuntu 16.04 ESM : Jinja2 vulnerability (USN-5701-1)	Nessus	Ubuntu Local Security Checks	2022/10/26	2024/9/19	critical
239599	TencentOS Server 3: python-jinja2 (TSSA-2022:0187)	Nessus	Tencent Local Security Checks	2025/6/16	2025/12/5	medium
294479	MiracleLinux 8 : python27:2.7 (AXSA:2021-2829:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	high
189537	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.10 : Jinja2 vulnerabilities (USN-6599-1)	Nessus	Ubuntu Local Security Checks	2024/1/25	2025/9/3	medium
155037	CentOS 8 : python-jinja2 (CESA-2021:4161)	Nessus	CentOS Local Security Checks	2021/11/11	2023/11/24	medium
155049	CentOS 8 : python27:2.7 (CESA-2021:4151)	Nessus	CentOS Local Security Checks	2021/11/11	2024/1/16	critical
155064	CentOS 8 : python38:3.8 and python38-devel:3.8 (CESA-2021:4162)	Nessus	CentOS Local Security Checks	2021/11/11	2024/1/16	critical
240343	IBM Spectrum Protect Plus Web UI 10.1.0 < 10.1.17.1 (7237702)	Nessus	Misc.	2025/6/25	2026/3/11	medium
313762	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: python-jinja2 (UTSA-2026-017474)	Nessus	Unity Linux Local Security Checks	2026/5/11	2026/5/11	medium

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