JLSEC-2026-1324 High 7.5

sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource...

JLSEC Published: Aug 14, 2026
Modified: Aug 14, 2026
Severity: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages: OpenSSH_jll < 10.4.1+0
Upstream: CVE-2026-60000 GHSA-76jm-35gr-hwcm EUVD-2026-42143

sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempts) because MaxAuthTries was mishandled for GSSAPIAuthentication.

References

https://github.com/advisories/GHSA-76jm-35gr-hwcm
https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2
https://nvd.nist.gov/vuln/detail/CVE-2026-60000
https://www.openssh.org/releasenotes.html#10.4p1
https://www.openwall.com/lists/oss-security/2026/07/06/5