DEBIAN-CVE-2026-121505

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Source
https://security-tracker.debian.org/tracker/CVE-2026-121505
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121505.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-121505
Upstream
Published
2026-11-03T15:17:37Z
Modified
2026-11-06T16:00:06Z
Severity
  • 3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

An out-of-bounds read in the NTS-KE client response parser (nts_client_process_response_core) in NTPsec before 1.2.4 allows a malicious NTS-KE server to read the client's stack memory, including pointers that defeat ASLR, which the client then sends in cleartext as NTS cookies, via an NTS-KE record whose declared length exceeds the data received.

References

Affected packages

Debian:12 / ntpsec

Package

Name
ntpsec
Purl
pkg:deb/debian/ntpsec?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.2+dfsg1-1
1.2.2+dfsg1-1+deb12u1
1.2.2+dfsg1-2
1.2.2+dfsg1-3
1.2.2+dfsg1-4
1.2.3+dfsg1-1
1.2.3+dfsg1-2
1.2.3+dfsg1-3
1.2.3+dfsg1-4
1.2.3+dfsg1-5
1.2.3+dfsg1-6
1.2.3+dfsg1-7
1.2.3+dfsg1-8
1.2.4+dfsg-1
1.2.5+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121505.json"

Debian:13 / ntpsec

Package

Name
ntpsec
Purl
pkg:deb/debian/ntpsec?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.3+dfsg1-8
1.2.4+dfsg-1
1.2.5+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121505.json"

Debian:14 / ntpsec

Package

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

Affected ranges

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

Affected versions

1.*
1.2.3+dfsg1-8

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121505.json"