A Denial Of Service vulnerability in MiniUPnP MiniUPnPd through 2.1 exists due to a NULL pointer dereference in copyIPv6IfDifferent in pcpserver.c.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING",
"vendor_product": "debian:debian_linux",
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
]
}
]
}{
"source": [
"CPE_RANGE",
"REFERENCES"
],
"cpe": "cpe:2.3:a:miniupnp_project:miniupnpd:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.1"
}
]
}"2026-07-08T15:54:51Z"
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12111.json"
[
{
"id": "CVE-2019-12111-212ad06f",
"digest": {
"line_hashes": [
"107839460429687708715952341264957931301",
"303013143768086468867966637049142757548",
"206733185662940348058775997407128719315",
"112246521631798828958974842935225456498"
],
"threshold": 0.9
},
"signature_version": "v1",
"signature_type": "Line",
"source": "https://github.com/miniupnp/miniupnp/commit/cb8a02af7a5677cf608e86d57ab04241cf34e24f",
"deprecated": false,
"target": {
"file": "miniupnpd/pcpserver.c"
}
},
{
"id": "CVE-2019-12111-e37ce8b5",
"digest": {
"function_hash": "42810451274363019698341505679653458935",
"length": 139.0
},
"signature_version": "v1",
"signature_type": "Function",
"source": "https://github.com/miniupnp/miniupnp/commit/cb8a02af7a5677cf608e86d57ab04241cf34e24f",
"deprecated": false,
"target": {
"function": "copyIPv6IfDifferent",
"file": "miniupnpd/pcpserver.c"
}
}
]