UnratedFix available
nn — security advisory
Format string vulnerability in the nn_exitmsg function in nn 6.6.0 through 6.6.3 allows remote NNTP servers to execute arbitrary code via format strings in server responses.
- Products
- nn
- Affected versions
- Not specified
- Fixed versions
- 6.6.4-1
- CVEs
- CVE-2002-1788
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:14 UTC · Revision 1
Source evidence
Format string vulnerability in the nn_exitmsg function in nn 6.6.0 through 6.6.3 allows remote NNTP servers to execute arbitrary code via format strings in server responses.
osv:DEBIAN-CVE-2002-1788
nn
Fixed versions: 6.6.4-1
nn
Fixed versions: 6.6.4-1
nn
Fixed versions: 6.6.4-1
Complete source record
{
"id": "a0c33a0c7022b7a1d951dbddcc07e798297afd0da73eaab1621c41dd255b80c4",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2002-1788",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2002-1788",
"summary": "Format string vulnerability in the nn_exitmsg function in nn 6.6.0 through 6.6.3 allows remote NNTP servers to execute arbitrary code via format strings in server responses.",
"evidence": "osv:DEBIAN-CVE-2002-1788",
"products": [
{
"name": {
"value": "nn",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.6.4-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "nn",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.6.4-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "nn",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.6.4-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2002-1788",
"aliases": [
"DEBIAN-CVE-2002-1788"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.6.4-1"
}
]
}
],
"package": {
"name": "nn",
"purl": "pkg:deb/debian/nn?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2002-1788.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.6.4-1"
}
]
}
],
"package": {
"name": "nn",
"purl": "pkg:deb/debian/nn?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2002-1788.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.6.4-1"
}
]
}
],
"package": {
"name": "nn",
"purl": "pkg:deb/debian/nn?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2002-1788.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-22T23:47:26.539257272Z",
"provider": "osv",
"upstream": [
"CVE-2002-1788"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2002-1788"
]
},
"related_cves": [
{
"value": "CVE-2002-1788",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 410549,
"published_at": "2002-12-31T05:00:00+00:00"
}