Security advisory
CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-7039
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:43 UTC · Revision 1
Source evidence
CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.
osv:CVE-2018-7039
Complete source record
{
"id": "03f5ded66421eb2206b76c150a36b13a750991373120917e634c8bc48398a2b6",
"url": "https://osv.dev/vulnerability/CVE-2018-7039",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-7039",
"summary": "CCN-lite 2.0.0 Beta allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because the ccnl_ndntlv_prependBlob function in ccnl-pkt-ndntlv.c can be called with wrong arguments. Specifically, there is an incorrect integer data type causing a negative third argument in some cases of crafted TLV data with inconsistent length information.",
"evidence": "osv:CVE-2018-7039",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2018-7039",
"aliases": [
"CVE-2018-7039"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/cn-uofbasel/ccn-lite",
"type": "GIT",
"events": [
{
"introduced": "063fd8ad7e74f24410ef8fd9e23673c532500df5"
},
{
"last_affected": "063fd8ad7e74f24410ef8fd9e23673c532500df5"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ccn-lite:ccn-lite:2.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-7039.json"
}
}
],
"modified": "2026-10-20T10:51:32.613349496Z",
"provider": "osv",
"references": [
"https://github.com/cn-uofbasel/ccn-lite/issues/191"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-7039",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382573,
"published_at": "2018-02-14T19:29:00.307+00:00"
}