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CVE-1999-1321

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to...

7.5 High

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to cause a denial of service or execute arbitrary commands via a long DNS hostname that is not properly handled during TGT ticket passing.

Exploit likelihood

1.98%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to cause a denial of service or execute arbitrary commands via a long DNS hostname that is not properly handled during TGT ticket passing.

Record
CVE-1999-1321
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to cause a denial of service or execute arbitrary commands via a long DNS hostname that is not properly handled during TGT ticket passing.

Record
CVE-1999-1321
Updated
2026-11-02
EUVDEUVD-1999-1302 No score

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to cause a denial of service or execute arbitrary commands via a long DNS hostname that is not properly handled during TGT ticket passing.

Record
EUVD-1999-1302
Updated
2026-11-03
GitHub AdvisoriesGHSA-4vqr-h3fp-wv83 No score

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to...

Buffer overflow in ssh 1.2.26 client with Kerberos V enabled could allow remote attackers to cause a denial of service or execute arbitrary commands via a long DNS hostname that is not properly handled during TGT ticket passing.

Record
GHSA-4vqr-h3fp-wv83
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

In short

CVE-1999-1321 is a high vulnerability (CVSS 7.5) in Mit Kerberos, published November 5, 1998. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.

References

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