CVE-2018-20197: There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2…

PriorityP433high7.8CVSS 3.0

AVLACLPRNUIRSUCHIHAH

EPSS

1.32%

67.6th percentile

There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max > G case.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
audiocoding	freeware_advanced_audio_decoder_2	—	—
debian	faad2	< faad2 2.8.8-2 (bookworm)	faad2 2.8.8-2 (bookworm)
faad2_project	faad2	>= 0 < 2.8.8-2	2.8.8-2
faad2_project	faad2	>= 0 < 2.8.8-2	2.8.8-2
faad2_project	faad2	>= 0 < 2.8.8-2	2.8.8-2
faad2_project	faad2	>= 0 < 2.8.8-2	2.8.8-2

CVSS provenance

nvdv3.07.8HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv7.8HIGH

vendor_debian7.8HIGH

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