Vulnerability Details CVE-2018-20199
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.2%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.3
References
- https://github.com/knik0/faad2/issues/24
- https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html
- https://security.gentoo.org/glsa/202006-17
- https://www.debian.org/security/2022/dsa-5109
- https://github.com/knik0/faad2/issues/24
- https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00020.html
- https://security.gentoo.org/glsa/202006-17
- https://www.debian.org/security/2022/dsa-5109
Products affected by CVE-2018-20199
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.0
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.5
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.7
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.7.1
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.0
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.1
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.2
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.3
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.4
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.5
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.6
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.7
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cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0