The (1) htk_read_header, (2) alaw_init, (3) ulaw_init, (4) pcm_init, (5) float32_init…
Priority LOW 23CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
The (1) htk_read_header, (2) alaw_init, (3) ulaw_init, (4) pcm_init, (5) float32_init, and (6) sds_read_header functions in libsndfile 1.0.20 allow context-dependent attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted audio file.
Why it matters now
EPSS 0.01444 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4835
- 2026-10-03 Alias added: GHSA-rfpj-4fj4-rm47
References
Advisory 1
More Mega-nerd Libsndfile vulnerabilities
- TI-2015-06483 Heap-based buffer overflow in libsndfile 1.0.25 allows remote attackers to have… CVSS 2.0HIGH 9.3
- TI-2009-01703 Heap-based buffer overflow in voc_read_header in libsndfile 1.0.15 through 1.0.19, as… CVSS 2.0HIGH 9.3
- TI-2009-01706 Heap-based buffer overflow in aiff_read_header in libsndfile 1.0.15 through 1.0.19, as… CVSS 2.0HIGH 9.3
- TI-2009-00175 Integer overflow in libsndfile 1.0.18, as used in Winamp and other products, allows… CVSS 2.0HIGH 9.3
- TI-2007-04795 Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and… CVSS 2.0HIGH 7.5
- TI-2011-02357 Integer overflow in libsndfile before 1.0.25 allows remote attackers to cause a denial of… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2009-4835 · CVE Program
- CVE-2009-4835 · NVD
- FIRST EPSS
- GHSA-rfpj-4fj4-rm47 · GitHub Advisory Database · CC BY 4.0
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