SUSE-SU-2026:21826-1
Vulnerability from csaf_suse - Published: 2026-05-22 08:43 - Updated: 2026-05-22 08:43Summary
Security update for libsndfile
Severity
Important
Notes
Title of the patch: Security update for libsndfile
Description of the patch: 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:
Patchnames: SUSE-SLES-16.0-793
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
8.2 (High)
Affected products
Recommended
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
5.3 (Medium)
Affected products
Recommended
8 products, the same list as for
CVE-2025-52194
Threats
Impact
moderate
7.5 (High)
Affected products
Recommended
8 products, the same list as for
CVE-2025-52194
Threats
Impact
important
References
16 references
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"text": "A buffer overflow vulnerability exists in libsndfile version 1.2.2 and potentially earlier versions when processing malformed IRCAM audio files. The vulnerability occurs in the ircam_read_header function at src/ircam.c:164 during sample rate processing, leading to memory corruption and potential code execution.",
"title": "CVE description"
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"text": "Libsndfile \u003c=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the mpeg_l3_encode.c file.",
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}
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],
"notes": [
{
"category": "general",
"text": "An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path (line 241) was fixed with (sf_count_t) cast, but the WAV code path (line 235) and close path (line 167) were not. When samplesperblock (int) * blocks (int) exceeds INT_MAX, the 32-bit multiplication overflows before being assigned to sf.frames (sf_count_t/int64). With samplesperblock=50000 and blocks=50000, the product 2500000000 overflows to -1794967296. This causes incorrect frame count leading to heap buffer overflow or denial of service. Both values come from the WAV file header and are attacker-controlled. This issue was discovered after an incomplete fix for CVE-2022-33065.",
"title": "CVE description"
}
],
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"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.aarch64",
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.ppc64le",
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.s390x",
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.x86_64",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.aarch64",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.ppc64le",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.s390x",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.aarch64",
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.ppc64le",
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.s390x",
"SUSE Linux Enterprise Server 16.0:libsndfile1-1.2.2-160000.4.1.x86_64",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.aarch64",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.ppc64le",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.s390x",
"SUSE Linux Enterprise Server for SAP applications 16.0:libsndfile1-1.2.2-160000.4.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2026-05-22T08:43:20Z",
"details": "important"
}
],
"title": "CVE-2026-37555"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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