Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-qpfz-2p88-w7gr
Vulnerability ID VCID-qpfz-2p88-w7gr
Aliases CVE-2019-6444
Summary An issue was discovered in NTPsec before 1.1.3. process_control() in ntp_control.c has a stack-based buffer over-read because attacker-controlled data is dereferenced by ntohl() in ntpd.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
epss 0.12577 https://api.first.org/data/v1/epss?cve=CVE-2019-6444
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2019-6444
cvssv3 9.1 https://nvd.nist.gov/vuln/detail/CVE-2019-6444
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-6444
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6444
https://dumpco.re/blog/ntpsec-bugs
https://github.com/ntpsec/ntpsec/blob/NTPsec_1_1_3/NEWS
https://www.exploit-db.com/exploits/46176/
919513 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=919513
cpe:2.3:a:ntpsec:ntpsec:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ntpsec:ntpsec:*:*:*:*:*:*:*:*
CVE-2019-6444 Exploit https://dumpco.re/bugs/ntpsec-oobread2
CVE-2019-6444 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/46176.py
CVE-2019-6444 https://nvd.nist.gov/vuln/detail/CVE-2019-6444
Data source Exploit-DB
Date added Jan. 16, 2019
Description NTPsec 1.1.2 - 'ntp_control' Out-of-Bounds Read (PoC)
Ransomware campaign use Known
Source publication date Jan. 16, 2019
Exploit type dos
Platform linux
Source update date Jan. 16, 2019
Source URL https://dumpco.re/bugs/ntpsec-oobread2
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6444
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6444
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.93914
EPSS Score 0.12577
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:33:53.145452+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0