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cvelistMitreCVELIST:CVE-2019-16905
HistoryOct 09, 2019 - 12:00 a.m.

CVE-2019-16905

2019-10-0900:00:00
mitre
raw.githubusercontent.com
5

0.0005 Low

EPSS

Percentile

16.8%

OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authentication integer overflow if a client or server is configured to use a crafted XMSS key. This leads to memory corruption and local code execution because of an error in the XMSS key parsing algorithm. NOTE: the XMSS implementation is considered experimental in all released OpenSSH versions, and there is no supported way to enable it when building portable OpenSSH.