Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow. CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8128-1 advisory.

    It was discovered that CryptX did not verify authentication tags while performing GCM and     ChaCha20-Poly1305 decryption. An attacker could possibly use this issue to cause CryptX to accept modified     ciphertext, leading to data integrity violations or authentication bypass. This issue only affected Ubuntu     18.04 LTS. (CVE-2018-25099)

    It was discovered that CryptX included a version of the tomcrypt library that was susceptible to malformed     unicode handling. An attacker could possibly use this issue to cause unexpected behavior or incorrect     processing of crafted input. This issue only affected Ubuntu 18.04 LTS. (CVE-2025-40912)

    It was discovered that CryptX included a version of the libtommath library that was susceptible to an     integer overflow. An attacker could possibly use this issue to cause memory corruption or a denial of     service. (CVE-2025-40914)

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 Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0472 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2025-40914:
    Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow.

    CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated     with CVE-2023-36328.

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

  - Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow.
    CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated     with CVE-2023-36328. (CVE-2025-40914)

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

The remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-aff64b1f48 advisory.

    Update to 0.087, fixes CVE-2025-40914

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-34b9058968 advisory.

    Update to 0.087, fixes CVE-2025-40914

Tenable has extracted the preceding description block directly from the Fedora security 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 a vulnerability as referenced in the ALAS2023-2025-1035 advisory.

    Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow.

    CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated     with CVE-2023-36328. (CVE-2025-40914)

Tenable has extracted the preceding description block directly from the tested product 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 Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-a99a329e1b advisory.

    Automatic update for perl-CryptX-0.087-1.fc43.

    ##### **Changelog**

    ```
    * Wed Jun 11 2025 Xavier Bachelot <xavier@bachelot.org> - 0.087-1
    - Update to 0.087 (RHBZ#2372355,RHBZ#2372356,RHBZ#2372357,RHBZ#2372358)
      - Fix CVE-2025-40914

    ```

Tenable has extracted the preceding description block directly from the Fedora 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	Severity
304013	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : CryptX vulnerabilities (USN-8128-1)	Nessus	Ubuntu Local Security Checks	critical
275948	TencentOS Server 4: perl-CryptX (TSSA-2025:0472)	Nessus	Tencent Local Security Checks	critical
256508	Linux Distros Unpatched Vulnerability : CVE-2025-40914	Nessus	Misc.	critical
240732	Fedora 41 : perl-CryptX (2025-aff64b1f48)	Nessus	Fedora Local Security Checks	critical
240702	Fedora 42 : perl-CryptX (2025-34b9058968)	Nessus	Fedora Local Security Checks	critical
240332	Amazon Linux 2023 : perl-CryptX, perl-CryptX-tests (ALAS2023-2025-1035)	Nessus	Amazon Linux Local Security Checks	critical
238261	Fedora 43 : perl-CryptX (2025-a99a329e1b)	Nessus	Fedora Local Security Checks	critical

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CVE-2025-40914

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