Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the mpeg_l3_encode.c file.

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20787-1 advisory.

    This update for libsndfile fixes the following issues

    - CVE-2025-52194: buffer overflow in the ircam_read_header function of file src/ircam.c when processing     malformed IRCAM       audio files (bsc#1248458).
    - CVE-2025-56226: memory leak in the `mpeg_l3_encoder_init()` function of `mpeg_l3_encode.c`     (bsc#1256702).
    - CVE-2026-37555: IMA-ADPCM integer overflow (bsc#1263695).

    Changes for libsndfile:

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 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-2026:0036 advisory.

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

    CVE-2025-56226:
    Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the     mpeg_l3_encode.c file.

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.

  - Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the     mpeg_l3_encode.c file. (CVE-2025-56226)

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

ID	Name	Product	Family	Severity
316759	openSUSE 16 Security Update : libsndfile (openSUSE-SU-2026:20787-1)	Nessus	SuSE Local Security Checks	high
297110	TencentOS Server 4: libsndfile (TSSA-2026:0036)	Nessus	Tencent Local Security Checks	medium
286805	Linux Distros Unpatched Vulnerability : CVE-2025-56226	Nessus	Misc.	medium

Detections

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CVE-2025-56226

medium

Tenable Plugins

high

medium

medium