UBUNTU-CVE-2026-110656 (CVE-2026-110656)
Vulnerability from osv_ubuntu – Published: 2026-10-15 00:00 – Updated: 2026-10-15 00:00 – Source websiteminiupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseelt function's namespace-prefix handling that skips an end-of-buffer check after advancing past ':'. A malicious or spoofed UPnP gateway on the local network can send a device description or SOAP reply ending in ':' within an element name to crash the client.
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc10",
"binary_version": "1.9.20140610-2ubuntu2.16.04.2"
},
{
"binary_name": "miniupnpc",
"binary_version": "1.9.20140610-2ubuntu2.16.04.2"
},
{
"binary_name": "python-miniupnpc",
"binary_version": "1.9.20140610-2ubuntu2.16.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@1.9.20140610-2ubuntu2.16.04.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.20140610-2ubuntu1",
"1.9.20140610-2ubuntu2",
"1.9.20140610-2ubuntu2.16.04.1",
"1.9.20140610-2ubuntu2.16.04.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc10",
"binary_version": "1.9.20140610-4ubuntu2"
},
{
"binary_name": "miniupnpc",
"binary_version": "1.9.20140610-4ubuntu2"
},
{
"binary_name": "python-miniupnpc",
"binary_version": "1.9.20140610-4ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@1.9.20140610-4ubuntu2?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.20140610-4ubuntu1",
"1.9.20140610-4ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc17",
"binary_version": "2.1.20190824-0ubuntu2"
},
{
"binary_name": "miniupnpc",
"binary_version": "2.1.20190824-0ubuntu2"
},
{
"binary_name": "python3-miniupnpc",
"binary_version": "2.1.20190824-0ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@2.1.20190824-0ubuntu2?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.20190824-0ubuntu1",
"2.1.20190824-0ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc17",
"binary_version": "2.2.3-1build1"
},
{
"binary_name": "miniupnpc",
"binary_version": "2.2.3-1build1"
},
{
"binary_name": "python3-miniupnpc",
"binary_version": "2.2.3-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@2.2.3-1build1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.1-1",
"2.2.1-1build1",
"2.2.3-1",
"2.2.3-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc17",
"binary_version": "2.2.6-1build2"
},
{
"binary_name": "miniupnpc",
"binary_version": "2.2.6-1build2"
},
{
"binary_name": "python3-miniupnpc",
"binary_version": "2.2.6-1build2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@2.2.6-1build2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.5-1",
"2.2.6-1",
"2.2.6-1build1",
"2.2.6-1build2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc21",
"binary_version": "2.3.3-2build1"
},
{
"binary_name": "miniupnpc",
"binary_version": "2.3.3-2build1"
},
{
"binary_name": "python3-miniupnpc",
"binary_version": "2.3.3-2build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.10",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@2.3.3-2build1?arch=source\u0026distro=stonking"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.3.3-2build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libminiupnpc21",
"binary_version": "2.3.3-2build1"
},
{
"binary_name": "miniupnpc",
"binary_version": "2.3.3-2build1"
},
{
"binary_name": "python3-miniupnpc",
"binary_version": "2.3.3-2build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "miniupnpc",
"purl": "pkg:deb/ubuntu/miniupnpc@2.3.3-2build1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.8-2build2",
"2.3.3-2",
"2.3.3-2build1"
]
}
],
"aliases": [],
"details": "miniupnpc through 2.3.3 contains a one-byte heap out-of-bounds read vulnerability in the minixml parseelt function\u0027s namespace-prefix handling that skips an end-of-buffer check after advancing past \u0027:\u0027. A malicious or spoofed UPnP gateway on the local network can send a device description or SOAP reply ending in \u0027:\u0027 within an element name to crash the client.",
"id": "UBUNTU-CVE-2026-110656",
"modified": "2026-10-15T00:00:00Z",
"published": "2026-10-15T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-110656"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-110656"
},
{
"type": "REPORT",
"url": "https://github.com/miniupnp/miniupnp"
},
{
"type": "REPORT",
"url": "https://github.com/miniupnp/miniupnp/blob/bf4215a7574f88aa55859db9db00e3ae58cf42d6/miniupnpc/src/minixml.c#L141"
},
{
"type": "REPORT",
"url": "https://github.com/miniupnp/miniupnp/commit/64ef08a12aabab57be0bf7e40f047c8f14dedf9c"
},
{
"type": "REPORT",
"url": "https://hackmd.io/@haind-pwn/miniupnpc-minixml-oob-read"
},
{
"type": "REPORT",
"url": "https://www.vulncheck.com/advisories/miniupnpc-through-2.3.3-heap-out-of-bounds-read-via-minixml-parseelt"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-110656"
]
}
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