{"id":"DEBIAN-CVE-2026-39835","details":"SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil.","modified":"2026-09-19T22:47:28.594530347Z","published":"2026-05-22T04:16:24.530Z","upstream":["CVE-2026-39835"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-39835"}],"affected":[{"package":{"name":"golang-go.crypto","ecosystem":"Debian:12","purl":"pkg:deb/debian/golang-go.crypto?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.10.0-1","1:0.12.0-1","1:0.13.0-1","1:0.14.0-1","1:0.16.0-1","1:0.17.0-1","1:0.18.0-1","1:0.19.0-1","1:0.21.0-1","1:0.22.0-1","1:0.23.0-1","1:0.24.0-1","1:0.24.0-2","1:0.25.0-1","1:0.25.0-1~bpo12+1","1:0.33.0-1~exp1","1:0.36.0-1~exp1","1:0.4.0-1","1:0.41.0-1~exp1","1:0.42.0-1","1:0.42.0-1~exp1","1:0.42.0-2","1:0.42.0-3","1:0.42.0-4","1:0.43.0-1","1:0.43.0-2","1:0.45.0-1","1:0.46.0-1","1:0.47.0-1","1:0.50.0-1","1:0.52.0-1","1:0.52.0-1~bpo13+1","1:0.53.0-1","1:0.54.0-1","1:0.55.0-1","1:0.56.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-39835.json"}},{"package":{"name":"golang-go.crypto","ecosystem":"Debian:13","purl":"pkg:deb/debian/golang-go.crypto?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.25.0-1","1:0.33.0-1~exp1","1:0.36.0-1~exp1","1:0.41.0-1~exp1","1:0.42.0-1","1:0.42.0-1~exp1","1:0.42.0-2","1:0.42.0-3","1:0.42.0-4","1:0.43.0-1","1:0.43.0-2","1:0.45.0-1","1:0.46.0-1","1:0.47.0-1","1:0.50.0-1","1:0.52.0-1","1:0.52.0-1~bpo13+1","1:0.53.0-1","1:0.54.0-1","1:0.55.0-1","1:0.56.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-39835.json"}},{"package":{"name":"golang-go.crypto","ecosystem":"Debian:14","purl":"pkg:deb/debian/golang-go.crypto?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.52.0-1"}]}],"versions":["1:0.25.0-1","1:0.33.0-1~exp1","1:0.36.0-1~exp1","1:0.41.0-1~exp1","1:0.42.0-1","1:0.42.0-1~exp1","1:0.42.0-2","1:0.42.0-3","1:0.42.0-4","1:0.43.0-1","1:0.43.0-2","1:0.45.0-1","1:0.46.0-1","1:0.47.0-1","1:0.50.0-1","1:0.52.0-1~bpo13+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-39835.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}