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CVE-2018-20357

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware...

5.5 MediumFix available

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

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
None
Integrity
None
Availability
High

Exploit likelihood

1.17%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
CVE-2018-20357
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
CVE-2018-20357
Updated
2026-11-02
EUVDEUVD-2018-12915 No score

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
EUVD-2018-12915
Updated
2026-11-03
GitHub AdvisoriesGHSA-43qc-p452-9j38 5.5

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware...

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
GHSA-43qc-p452-9j38
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2018-20357 5.5

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
ALPINE-CVE-2018-20357
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 5.5

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
CVE-2018-20357
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-20357 5.5

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
DEBIAN-CVE-2018-20357
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-20357 5.5

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

Record
UBUNTU-CVE-2018-20357
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
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
PackageAffectedFixed
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
From an advisory covering 14 CVEs
 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
RecordedChangedSources
affected, facts
affectedOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-20357 is a medium vulnerability (CVSS 5.5) in Audiocoding Freeware Advanced Audio Decoder 2, published December 22, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in faad2 2.9.0-r0.

References

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