Heap buffer overflow vulnerability in FilePOSIX::read in File.cpp in audiofile 0.3.6 may…
Priority MEDIUM 58CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
Heap buffer overflow vulnerability in FilePOSIX::read in File.cpp in audiofile 0.3.6 may cause denial-of-service via a crafted wav file, this bug can be triggered by the executable sfconvert.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00287 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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
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 7 | Affected | No fix planned: Out of support scope |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-18781
- 2026-10-03 Alias added: GHSA-xhq7-wg93-r5f3
References
More Audiofile vulnerabilities
- TI-2015-06429 Buffer overflow in the afReadFrames function in audiofile (aka libaudiofile and Audio… CVSS 3.1HIGH 8.8
- TI-2018-12218 An issue has been discovered in mpruett Audio File Library (aka audiofile) 0.3.6, 0.3.5… CVSS 3.1HIGH 8.8
- TI-2017-04575 Heap-based buffer overflow in the readValue function in FileHandle.cpp in audiofile (aka… CVSS 3.0HIGH 7.8
- TI-2017-04574 Heap-based buffer overflow in the MSADPCM::initializeCoefficients function in MSADPCM.cpp… CVSS 3.0HIGH 7.8
- TI-2018-09663 The audiofile Audio File Library 0.3.6 has a NULL pointer dereference bug in… CVSS 3.0MEDIUM 6.5
- TI-2025-32276 Audiofile v0.3.7 was discovered to contain a NULL pointer dereference via the ModuleState::setup function. CVSS 3.1HIGH 7.5
Sources
- CVE-2020-18781 · CVE Program
- CVE-2020-18781 · NVD
- FIRST EPSS
- GHSA-xhq7-wg93-r5f3 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-18781 · Red Hat security data · CC BY 4.0
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