DEBIAN-CVE-2026-12245

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Source
https://security-tracker.debian.org/tracker/CVE-2026-12245
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12245.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-12245
Upstream
Published
2026-06-25T07:16:45Z
Modified
2026-09-14T17:01:42Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response.

References

Affected packages

Debian:14 / nsd

Package

Name
nsd
Purl
pkg:deb/debian/nsd?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.14.3-1

Affected versions

4.*
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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-12245.json"