Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init()…
Priority MEDIUM 63CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-401.
Summary
Libsndfile <=1.2.2 contains a memory leak vulnerability in the mpeg_l3_encoder_init() function within the mpeg_l3_encode.c file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00374 31st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libsndfile_project:libsndfile:*:*:*:*:*:*:*:* | 1.1.0 – 1.2.2 | Vulnerable | Libsndfile Project |
- cpe:2.3:a:libsndfile_project:libsndfile:*:*:*:*:*:*:*:* Versions 1.1.0 – 1.2.2 Vulnerable ·Libsndfile Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-56226
- 2026-10-03 Alias added: GHSA-84f2-pwrw-r53v
References
More Libsndfile Project Libsndfile vulnerabilities
- TI-2022-14545 Multiple signed integers overflow in function au_read_header in src/au.c and in functions… CVSS 3.1HIGH 7.8
- TI-2022-14544 An off-by-one error in function wav_read_header in src/wav.c in Libsndfile 1.1.0, results… CVSS 3.1HIGH 7.8
- TI-2024-34035 libsndfile through 1.2.2 has a reachable assertion, that may lead to application exit, in… CVSS 3.1MEDIUM 6.5
- TI-2024-34034 libsndfile through 1.2.2 has an ogg_vorbis.c vorbis_analysis_wrote out-of-bounds read. CVSS 3.1MEDIUM 5.5
- TI-2017-09293 Heap-based Buffer Overflow in the psf_binheader_writef function in common.c in libsndfile… CVSS 3.1CRITICAL 9.8
- TI-2017-05918 The flac_buffer_copy function in flac.c in libsndfile 1.0.28 allows remote attackers to… CVSS 3.0HIGH 8.8
Sources
- CVE-2025-56226 · CVE Program
- CVE-2025-56226 · NVD
- FIRST EPSS
- GHSA-84f2-pwrw-r53v · GitHub Advisory Database · CC BY 4.0
- CVE-2025-56226 · Red Hat security data · CC BY 4.0
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