High
Security advisory
An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-6309
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:24 UTC · Revision 1
Source evidence
An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.
osv:CVE-2017-6309
Complete source record
{
"id": "54ae16ea3e560ab446b93bd12fbe36dca1f4d6ea66f70e8c0a7e0001bcd174f2",
"url": "https://osv.dev/vulnerability/CVE-2017-6309",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-6309",
"summary": "An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.",
"evidence": "osv:CVE-2017-6309",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-6309",
"aliases": [
"CVE-2017-6309"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/verdammelt/tnef",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "99c70157998ff5f3c3e0fd1669c7cffdaaa32048"
},
{
"fixed": "8dccf79857ceeb7a6d3e42c1e762e7b865d5344d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:tnef_project:tnef:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.4.12"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "8dccf79857ceeb7a6d3e42c1e762e7b865d5344d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"1.4.12",
"TNEF-1.4.11",
"1.4.11",
"TNEF-1.4.10",
"1.4.10"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6309.json",
"vanir_signatures": [
{
"id": "CVE-2017-6309-41fb9249",
"digest": {
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"source": "https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d",
"target": {
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"deprecated": false,
"signature_type": "Line",
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{
"id": "CVE-2017-6309-72677e04",
"digest": {
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"function_hash": "319602346909933704118455433288689047607"
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"source": "https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d",
"target": {
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"function": "get_html_data"
},
"deprecated": false,
"signature_type": "Function",
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{
"id": "CVE-2017-6309-8620f38b",
"digest": {
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"source": "https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d",
"target": {
"file": "src/tnef.c",
"function": "parse_file"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
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{
"id": "CVE-2017-6309-878b188d",
"digest": {
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"source": "https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d",
"target": {
"file": "src/file.c"
},
"deprecated": false,
"signature_type": "Line",
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},
{
"id": "CVE-2017-6309-bc847a50",
"digest": {
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"function_hash": "256870819728380308798399002191052231"
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"source": "https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d",
"target": {
"file": "src/file.c",
"function": "file_add_mapi_attrs"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:27:47Z"
}
}
],
"modified": "2026-10-20T13:27:47.761490106Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/201708-02",
"https://github.com/verdammelt/tnef/blob/master/ChangeLog",
"https://github.com/verdammelt/tnef/commit/8dccf79857ceeb7a6d3e42c1e762e7b865d5344d",
"https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-6309",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387711,
"published_at": "2017-02-24T04:59:00.637+00:00"
}