CVE-2018-20199
mediumpriority · track · 22EPSS 0.011 · 66 %ileEURUUSEPSS · scored 2026-10-27
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 ONLY_LONG_SEQUENCE case.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
- audiocoding freeware advanced audio decoder 2< 2.9.0nvdUScpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (22)
External citations — patches, advisories, analysis.
- https://github.com/knik0/faad2/issues/24cnnvd
- https://lists.debian.org/debian-lts-announce/2019/08/msg00033.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2021/10/msg00020.htmlcnnvd
- https://packetstormsecurity.com/files/158089/Gentoo-Linux-Security-Advisory-202006-17.htmlcnnvd
- https://packetstormsecurity.com/files/169283/Debian-Security-Advisory-5109-1.htmlcnnvd
- https://security-tracker.debian.org/tracker/DLA-1899-1cnnvd
- https://security.gentoo.org/glsa/202006-17cnnvd
- https://vigilance.fr/vulnerability/Freeware-Advanced-Audio-Coder-NULL-pointer-dereference-via-ifilter-bank-30196cnnvd
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