High
Security advisory
There is a stack-based buffer overflow 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 the S_M array is mishandled.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-20196
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:49 UTC · Revision 1
Source evidence
There is a stack-based buffer overflow 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 the S_M array is mishandled.
osv:CVE-2018-20196
Complete source record
{
"id": "6da37b586b1ff8355eeb6a43eb04a1095999d10885182771e535a13a3066c390",
"url": "https://osv.dev/vulnerability/CVE-2018-20196",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-20196",
"summary": "There is a stack-based buffer overflow 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 the S_M array is mishandled.",
"evidence": "osv:CVE-2018-20196",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-20196",
"aliases": [
"CVE-2018-20196"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/knik0/faad2",
"type": "GIT",
"events": [
{
"introduced": "334e7647a5f31903aca33dde39bb8683e9d8cccd"
},
{
"last_affected": "334e7647a5f31903aca33dde39bb8683e9d8cccd"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:audiocoding:freeware_advanced_audio_decoder_2:2.8.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.8.8"
},
{
"last_affected": "2.8.8"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.8.8",
"2_8_8"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20196.json"
}
}
],
"modified": "2026-10-20T10:48:03.547376665Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2019/08/msg00033.html",
"https://security.gentoo.org/glsa/202006-17",
"https://www.debian.org/security/2022/dsa-5109",
"https://github.com/knik0/faad2/issues/19"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-20196",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 379984,
"published_at": "2018-12-18T01:29:00.377+00:00"
}