CVE-2009-0159

NONECVSS 0.0Elevated

0.0

Stack-based buffer overflow in the cookedprint function in ntpq/ntpq.c in ntpq in NTP before 4.2.4p7-RC2 allows remote NTP servers to execute arbitrary code via a crafted response.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 95.9%
KEV: Not listed

Published

April 14, 2009

Last Modified

April 23, 2026

References (92)

cve@mitreftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-006.txt.asc
cve@mitrehttp://bugs.pardus.org.tr/show_bug.cgi?id=9532
cve@mitrehttp://lists.apple.com/archives/security-announce/2009/May/msg00002.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
cve@mitrehttp://marc.info/?l=bugtraq&m=136482797910018&w=2
cve@mitrehttp://ntp.bkbits.net:8080/ntp-stable/?PAGE=gnupatch&REV=1.1565
cve@mitrehttp://osvdb.org/53593
cve@mitrehttp://rhn.redhat.com/errata/RHSA-2009-1039.html
cve@mitrehttp://rhn.redhat.com/errata/RHSA-2009-1040.html
cve@mitrehttp://secunia.com/advisories/34608
cve@mitrehttp://secunia.com/advisories/35074
cve@mitrehttp://secunia.com/advisories/35137
cve@mitrehttp://secunia.com/advisories/35138
cve@mitrehttp://secunia.com/advisories/35166
cve@mitrehttp://secunia.com/advisories/35169

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	ntp (1:4.2.4p4+dfsg-7ubuntu5.1) @ jaunty	2026-05-30	ubuntu
redhat	ntp-0:4.1.2-6.el3	2009-12-08	redhat
redhat	ntp-0:4.2.0.a.20040617-8.el4_7.2	2009-05-18	redhat
redhat	ntp-0:4.2.2p1-9.el5_3.2	2009-05-18	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-21 14:53 UTCEPSS rescore
2026-06-21 01:56 UTCEPSS rescore
2026-06-21 01:56 UTCEPSS rescore
2026-06-19 19:22 UTCEPSS rescore
2026-06-19 19:22 UTCEPSS rescore
2026-06-19 06:25 UTCOSV refresh
2026-06-18 17:49 UTCEPSS rescore
2026-06-18 17:49 UTCEPSS rescore
2026-06-17 17:49 UTCEPSS rescore
2026-06-17 17:49 UTCEPSS rescore
2026-06-16 17:49 UTCEPSS rescore
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2026-06-15 17:44 UTCEPSS rescore
2026-06-14 23:14 UTCEPSS rescore
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2026-06-13 22:57 UTCEPSS rescore
2026-06-12 23:08 UTCEPSS rescore
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2026-06-10 22:14 UTCEPSS rescore
2026-06-10 13:17 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
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2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore

Show 30 more

2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-30 17:15 UTCEG score recompute
2026-05-30 17:15 UTCVendor advisory
2026-05-30 17:15 UTCGHSA enrichment
2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 01:14 UTCOSV refresh
2026-05-26 07:16 UTCEPSS rescore
2026-05-26 07:16 UTCEPSS rescore
2026-05-24 16:43 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2009-0159?

CVE-2009-0159 is a none vulnerability published on April 14, 2009. Stack-based buffer overflow in the cookedprint function in ntpq/ntpq.c in ntpq in NTP before 4.2.4p7-RC2 allows remote NTP servers to execute arbitrary code via a crafted response.

When was CVE-2009-0159 disclosed?

CVE-2009-0159 was first published in the National Vulnerability Database on April 14, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-0159 actively exploited?

CVE-2009-0159 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-0159?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-0159, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2009-0159

Published

Last Modified

References (92)

Patch Availability(4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-0159?

Same vendor

Same CWE

CVE-2009-0159

📅 Published

🔄 Last Modified

🔗 References (92)

Patch Availability(4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-0159?

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Published

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References (92)

Frequently asked(4)

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