An issue was discovered in ytnef before 1.9.2. There is a potential out-of-bounds access with fields of Size 0 in TNEFParse() in libytnef.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"vendor_product": "debian:debian_linux",
"source": "CPE_STRING"
}
]
}{
"cpe": "cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.9.1"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}"2026-07-08T16:53:16Z"
[
{
"target": {
"function": "TNEFParse",
"file": "lib/ytnef.c"
},
"id": "CVE-2017-6801-806d4717",
"digest": {
"function_hash": "201872607770062813721620458727459820164",
"length": 3092.0
},
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"source": "https://github.com/yeraze/ytnef/commit/3cb0f914d6427073f262e1b2b5fd973e3043cdf7"
},
{
"target": {
"file": "lib/ytnef.c"
},
"id": "CVE-2017-6801-da84a6b1",
"digest": {
"line_hashes": [
"201801197655269967047314277472203802783",
"45704563466453761791041832360644227449",
"301571924839525125956928491205411681977",
"314816730171763693088499983046382930809"
],
"threshold": 0.9
},
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"source": "https://github.com/yeraze/ytnef/commit/3cb0f914d6427073f262e1b2b5fd973e3043cdf7"
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6801.json"