Firebird is an open-source relational database management system. In versions FB3 of the client library placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers, resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021466 advisory.

    Firebird is an open-source relational database management system. In versions FB3 of the client library     placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers,     resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.

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.

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1868-1 advisory.

    This update for firebird fixes the following issues

    - CVE-2025-65104: Information leak vulnerability in firebird3 client when used with newer (>= 4) server     (bsc#1262330).
    - CVE-2026-27890: Pre-Auth DOS (bsc#1262328).
    - CVE-2026-28212: One packet DoS (bsc#1262329).
    - CVE-2026-28214: Server hangs when using specific clumplet on batch creation (bsc#1262327).
    - CVE-2026-28224: CryptCallback DOS (bsc#1262326).
    - CVE-2026-33337: Buffer overflow on parsing corrupted slice packet (bsc#1262325).
    - CVE-2026-34232: DoS via `op_response` packet from client (bsc#1262324).
    - CVE-2026-35215: DoS via malicious slice descriptor in slice packet (bsc#1262322).
    - CVE-2026-40342: Path traversal when declaring external routine (bsc#1262320).

Tenable has extracted the preceding description block directly from the SUSE 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Firebird is an open-source relational database management system. In versions FB3 of the client library     placed incorrect data length values into XSQLDA fields when communicating with FB4 or higher servers,     resulting in an information leak. This issue is fixed by upgrading to the FB4 client or higher.
    (CVE-2025-65104)

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

ID	Name	Product	Family	Severity
315157	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: firebird (UTSA-2026-021466)	Nessus	Unity Linux Local Security Checks	high
315043	SUSE SLES15 Security Update : firebird (SUSE-SU-2026:1868-1)	Nessus	SuSE Local Security Checks	medium
307398	Linux Distros Unpatched Vulnerability : CVE-2025-65104	Nessus	Misc.	high

Detections

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CVE-2025-65104

high

Tenable Plugins

high

medium

high