There is a stack-based buffer underflow in the third instance of the calculate_gain…
Priority LOW 37CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max > G case.
Why it matters now
EPSS 0.01317 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8:*:*:*:*:*:*:* | 2.8.8 | Vulnerable | Audiocoding |
- cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8:*:*:*:*:*:*:* Versions 2.8.8 Vulnerable ·Audiocoding
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20197
- 2026-10-03 Alias added: GHSA-4w78-j3c6-p6j6
References
More Audiocoding Freeware Advanced Audio Decoder 2 vulnerabilities
- TI-2019-11406 An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. CVSS 3.0HIGH 7.8
- TI-2018-14316 There is a stack-based buffer overflow in the third instance of the calculate_gain… CVSS 3.1HIGH 7.8
- TI-2018-14314 There is a stack-based buffer underflow in the third instance of the calculate_gain… CVSS 3.0HIGH 7.8
- TI-2018-13809 An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. CVSS 3.0HIGH 7.8
- TI-2018-13808 An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. CVSS 3.0HIGH 7.8
- TI-2018-13807 An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. CVSS 3.0HIGH 7.8
Sources
- CVE-2018-20197 · CVE Program
- CVE-2018-20197 · NVD
- FIRST EPSS
- GHSA-4w78-j3c6-p6j6 · GitHub Advisory Database · CC BY 4.0
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