DEBIAN-CVE-2026-12246
NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes.
DEBIAN-CVE-2026-12246
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-2026-12246
nsd
Source reference: /affected/0/package/name
- Affected versions
- 4.12.0-1
Source reference:
/affected/0/versions4.12.0-2Source reference:
/affected/0/versions4.13.0-1Source reference:
/affected/0/versions4.13.0-2Source reference:
/affected/0/versions4.13.0-3Source reference:
/affected/0/versions4.13.0-4Source reference:
/affected/0/versions4.13.0-5Source reference:
/affected/0/versions4.13.0-6Source reference:
/affected/0/versions4.14.0-1Source reference:
/affected/0/versions4.14.1-1Source reference:
/affected/0/versions4.14.2-1Source reference:
/affected/0/versions - Fixed versions
- 4.14.3-1
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": "4.14.3-1"
}
]
}
],
"package": {
"name": "nsd",
"purl": "pkg:deb/debian/nsd?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"4.12.0-1",
"4.12.0-2",
"4.13.0-1",
"4.13.0-2",
"4.13.0-3",
"4.13.0-4",
"4.13.0-5",
"4.13.0-6",
"4.14.0-1",
"4.14.1-1",
"4.14.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12246.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #55518 · Revision 1
- Added to Heist Feed
- Publisher date