CVE-2018-19503

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack...

7.8 HighFix available

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.45%Up 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: CVE-2018-19503
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: CVE-2018-19503
Updated: 2026-11-02

EUVDEUVD-2018-11192 No score

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: EUVD-2018-11192
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r6w6-3565-2jmr 7.8

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack...

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: GHSA-r6w6-3565-2jmr
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSVALPINE-CVE-2018-19503 7.8

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: ALPINE-CVE-2018-19503
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-03

OSV 7.8

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: CVE-2018-19503
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-19503 7.8

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: DEBIAN-CVE-2018-19503
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-19503 7.8

An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.1. There was a stack-based buffer overflow in the function calculate_gain() in libfaad/sbr_hfadj.c.

Record: UBUNTU-CVE-2018-19503
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

audiocoding freeware advanced audio decoder 2

Affected packages

Affected packages
Package	Affected	Fixed
`faad2` Alpine:v3.10	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.11	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.12	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.13	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.14	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.15	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.16	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.17	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.18	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.19	before 2.9.0-r0	2.9.0-r0

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Affected packages
Package	Affected	Fixed
`faad2` Alpine:v3.20	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.21	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.22	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.23	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.24	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.7	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.8	before 2.9.0-r0	2.9.0-r0
`faad2` Alpine:v3.9	before 2.9.0-r0	2.9.0-r0
`faad2` Debian:12	before 2.8.8-2	2.8.8-2
`faad2` Debian:13	before 2.8.8-2	2.8.8-2
`faad2` Debian:14	before 2.8.8-2	2.8.8-2
`faad2` Debian:9	before 2.8.0~cvs20161113-1+deb9u2, plus listed versions 2.8.0~cvs20161113-12.8.0~cvs20161113-1+deb9u1	2.8.0~cvs20161113-1+deb9u2
`faad2` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 2.7-82.7-8+deb7u1build0.14.04.12.7-8+deb8u3build0.14.04.1~esm12.7-8+deb8u3ubuntu0.1~esm1	None known
`faad2` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.8.0~cvs20150510-12.8.0~cvs20150510-1ubuntu0.12.8.0~cvs20150510-1ubuntu0.1+esm1	None known
`faad2` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 2.8.1-22.8.5-12.8.6-12.8.8-12.8.8-1ubuntu0.1~esm1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-19503 is a high vulnerability (CVSS 7.8) in Audiocoding Freeware Advanced Audio Decoder 2, published November 23, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. Fixed in faad2 2.9.0-r0.

References

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