DEBIAN-CVE-2026-66374
Knot Resolver before 6.4.1 allows remote code execution via a heap-based buffer overflow in the DoQ (DNS-over-QUIC) receive path.
DEBIAN-CVE-2026-66374
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-2026-66374
knot-resolver
Source reference: /affected/0/package/name
- Affected versions
- 5.7.5-1
Source reference:
/affected/0/versions6.0.10-1Source reference:
/affected/0/versions6.0.12-1Source reference:
/affected/0/versions6.0.13-1Source reference:
/affected/0/versions6.0.14-1Source reference:
/affected/0/versions6.0.15-1Source reference:
/affected/0/versions6.0.15-2Source reference:
/affected/0/versions6.0.15-3Source reference:
/affected/0/versions6.0.15-4Source reference:
/affected/0/versions6.0.17-1Source reference:
/affected/0/versions6.0.9-1Source reference:
/affected/0/versions6.1.0-1Source reference:
/affected/0/versions6.1.0-2Source reference:
/affected/0/versions6.2.0-1Source reference:
/affected/0/versions6.2.0-2Source reference:
/affected/0/versions6.3.0-1Source reference:
/affected/0/versions6.4.0-1Source reference:
/affected/0/versions - Fixed versions
- 6.4.1-1
Source reference:
/affected/0/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"
},
{
"fixed": "6.4.1-1"
}
]
}
],
"package": {
"name": "knot-resolver",
"purl": "pkg:deb/debian/knot-resolver?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"5.7.5-1",
"6.0.10-1",
"6.0.12-1",
"6.0.13-1",
"6.0.14-1",
"6.0.15-1",
"6.0.15-2",
"6.0.15-3",
"6.0.15-4",
"6.0.17-1",
"6.0.9-1",
"6.1.0-1",
"6.1.0-2",
"6.2.0-1",
"6.2.0-2",
"6.3.0-1",
"6.4.0-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-66374.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58294 · Revision 1
- Added to Heist Feed
- Publisher date