CVE-2018-20198

MEDIUM

Freeware Advanced Audio Decoder 2 <2.8.8 - Use After Free

Title source: llm

Description

A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service because adding to windowed output is mishandled in the LONG_START_SEQUENCE case.

References (5)

Core 5

Core References

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/202006-17

Exploit, Third Party Advisory x_refsource_misc

https://github.com/knik0/faad2/issues/23

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2019/dsa-4522

Mailing List mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2019/Sep/28

Mailing List mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html

Scores

CVSS v3 5.5

EPSS 0.0121

EPSS Percentile 64.5%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE

CWE-476

Status published

Products (1)

audiocoding/freeware_advanced_audio_decoder_2 2.8.8

Published Dec 18, 2018

Tracked Since Feb 18, 2026