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CVE-2004-0657

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong...

5.0 MediumFix available

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Exploit likelihood

2.85%Up 1.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Record
CVE-2004-0657
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness
CWE-190
Updated
2026-11-02
CVE List No score

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Record
CVE-2004-0657
Updated
2026-11-02
EUVDEUVD-2004-0656 No score

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Record
EUVD-2004-0656
Updated
2026-11-03
GitHub AdvisoriesGHSA-gf48-63xq-mhpr No score

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong...

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Record
GHSA-gf48-63xq-mhpr
Weakness
CWE-190
Updated
2026-11-02
OSV No score

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Record
CVE-2004-0657
Updated
2026-11-02
OSVDEBIAN-CVE-2004-0657 No score

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Record
DEBIAN-CVE-2004-0657
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ntp
Debian:11
before 4.0
4.0

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0657 is a medium vulnerability (CVSS 5.0) in Ntp, published July 13, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.85%, the 86th percentile. Fixed in ntp 4.0.

References

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