DEBIAN-CVE-2026-5720
miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of-bounds memory read by exploiting improper length validation in ParseHttpHeaders(), where the parsed length underflows to a large unsigned value when passed to memchr(), causing the process to scan memory far beyond the allocated HTTP request buffer.
DEBIAN-CVE-2026-5720
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:DEBIAN-CVE-2026-5720
miniupnpd
Source reference: /affected/0/package/name
- Affected versions
- 2.3.1-1
Source reference:
/affected/0/versions2.3.10-1Source reference:
/affected/0/versions2.3.3-1Source reference:
/affected/0/versions2.3.4-1Source reference:
/affected/0/versions2.3.7-1Source reference:
/affected/0/versions2.3.7-2Source reference:
/affected/0/versions2.3.9-1Source reference:
/affected/0/versions2.3.9-2Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
miniupnpd
Source reference: /affected/1/package/name
- Affected versions
- 2.3.9-2
Source reference:
/affected/1/versions - Fixed versions
- 2.3.9-2+deb13u1
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
miniupnpd
Source reference: /affected/2/package/name
- Affected versions
- 2.3.9-2
Source reference:
/affected/2/versions - Fixed versions
- 2.3.10-1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "miniupnpd",
"purl": "pkg:deb/debian/miniupnpd?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.3.1-1",
"2.3.10-1",
"2.3.3-1",
"2.3.4-1",
"2.3.7-1",
"2.3.7-2",
"2.3.9-1",
"2.3.9-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5720.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.3.9-2+deb13u1"
}
]
}
],
"package": {
"name": "miniupnpd",
"purl": "pkg:deb/debian/miniupnpd?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"2.3.9-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5720.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.3.10-1"
}
]
}
],
"package": {
"name": "miniupnpd",
"purl": "pkg:deb/debian/miniupnpd?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"2.3.9-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-5720.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #57984 · Revision 1
- Added to Heist Feed
- Publisher date