CVE-2026-106584

Name	CVE-2026-106584
Description	In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect expiration times because of Daylight Saving mishandling. There can be a slightly more severe effect on users in certain Antarctic locations.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openssh (PTS)	bookworm	1:9.2p1-2+deb12u10	vulnerable
	bookworm (security)	1:9.2p1-2+deb12u9	vulnerable
	trixie	1:10.0p1-7+deb13u4	vulnerable
	trixie (security)	1:10.0p1-7+deb13u2	vulnerable
	forky	1:10.5p1-1	vulnerable
	sid	1:10.6p1-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openssh	source	(unstable)	1:10.6p1-1

https://www.openssh.org/releasenotes.html#10.6