Read the docs
TI-2009-04591 Aliases CVE-2009-4835GHSA-rfpj-4fj4-rm47

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mega-nerd:libsndfile:1.0.20:*:*:*:*:*:*:*1.0.20VulnerableMega-nerd
  • cpe:2.3:a:mega-nerd:libsndfile:1.0.20:*:*:*:*:*:*:* Versions 1.0.20 Vulnerable ·Mega-nerd

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-4835
  2. 2026-10-03 Alias added: GHSA-rfpj-4fj4-rm47

References

  • 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