Asymmetric denial of service In openssh
Description
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.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Component | Affected version | Patched versions |
|---|---|---|---|
 debian 14 | =1:10.0p1-7 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 || =1:10.3p1-1~bpo13+1 || =1:10.3p1-2 || =1:10.3p1-3 || =1:10.3p1-4 || =1:10.3p1-5 || =1:10.3p1-7 || =1:10.3p1-8 || =1:10.3p1-9 || >=0 <1:10.4p1-1 | 1:10.4p1-1 | |
debian 11 | =1:10.0p1-1 || =1:10.0p1-2 || =1:10.0p1-3 || =1:10.0p1-4 || =1:10.0p1-5 || =1:10.0p1-5~bpo12+2 || =1:10.0p1-6 || =1:10.0p1-7 || =1:10.0p1-7~bpo12+1 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 || =1:10.3p1-1~bpo13+1 || =1:10.3p1-2 || =1:10.3p1-3 || =1:10.3p1-4 || =1:10.3p1-5 || =1:10.3p1-7 || =1:10.3p1-8 || =1:10.3p1-9 || =1:10.4p1-1 || =1:10.4p1-2 || =1:10.4p1-3 || =1:10.4p1-4 || =1:10.4p1-5 || =1:8.4p1-5 || =1:8.4p1-5+deb11u1 || =1:8.4p1-5+deb11u2 || =1:8.4p1-5+deb11u3 || =1:8.4p1-5+deb11u4 || =1:8.4p1-5+deb11u5 || =1:8.4p1-5+deb11u6 || =1:8.4p1-5+deb11u7 || =1:8.4p1-6 || =1:8.7p1-1 || =1:8.7p1-2 || =1:8.7p1-3 || =1:8.7p1-4 || =1:8.8p1-1 || =1:8.9p1-1 || =1:8.9p1-2 || =1:8.9p1-3 || =1:9.0p1-1 || =1:9.1p1-1 || =1:9.1p1-2 || =1:9.2p1-1 || =1:9.2p1-2 || =1:9.3p1-1 || =1:9.3p1-1+loong64 || =1:9.3p2-1 || =1:9.4p1-1 || =1:9.5p1-1 || =1:9.5p1-2 || =1:9.6p1-1 || =1:9.6p1-2 || =1:9.6p1-3 || =1:9.6p1-4 || =1:9.6p1-5 || =1:9.7p1-1 || =1:9.7p1-2 || =1:9.7p1-3 || =1:9.7p1-3+hurd.1 || =1:9.7p1-4 || =1:9.7p1-5 || =1:9.7p1-6 || =1:9.7p1-7 || =1:9.8p1-1 || =1:9.8p1-2 || =1:9.8p1-3 || =1:9.8p1-4 || =1:9.8p1-7 || =1:9.8p1-8 || =1:9.9p1-1 || =1:9.9p1-2 || =1:9.9p1-3 || =1:9.9p1-3+hurd.1 || =1:9.9p2-1 || =1:9.9p2-2 | - | |
debian 12 | =1:10.0p1-1 || =1:10.0p1-2 || =1:10.0p1-3 || =1:10.0p1-4 || =1:10.0p1-5 || =1:10.0p1-5~bpo12+2 || =1:10.0p1-6 || =1:10.0p1-7 || =1:10.0p1-7~bpo12+1 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 || =1:10.3p1-1~bpo13+1 || =1:10.3p1-2 || =1:10.3p1-3 || =1:10.3p1-4 || =1:10.3p1-5 || =1:10.3p1-7 || =1:10.3p1-8 || =1:10.3p1-9 || =1:10.4p1-1 || =1:10.4p1-2 || =1:10.4p1-3 || =1:10.4p1-4 || =1:10.4p1-5 || =1:9.2p1-2 || =1:9.2p1-2+deb12u1 || =1:9.2p1-2+deb12u10 || =1:9.2p1-2+deb12u2 || =1:9.2p1-2+deb12u3 || =1:9.2p1-2+deb12u4 || =1:9.2p1-2+deb12u5 || =1:9.2p1-2+deb12u6 || =1:9.2p1-2+deb12u7 || =1:9.2p1-2+deb12u8 || =1:9.2p1-2+deb12u9 || =1:9.3p1-1 || =1:9.3p1-1+loong64 || =1:9.3p2-1 || =1:9.4p1-1 || =1:9.5p1-1 || =1:9.5p1-2 || =1:9.6p1-1 || =1:9.6p1-2 || =1:9.6p1-3 || =1:9.6p1-4 || =1:9.6p1-5 || =1:9.7p1-1 || =1:9.7p1-2 || =1:9.7p1-3 || =1:9.7p1-3+hurd.1 || =1:9.7p1-4 || =1:9.7p1-5 || =1:9.7p1-6 || =1:9.7p1-7 || =1:9.8p1-1 || =1:9.8p1-2 || =1:9.8p1-3 || =1:9.8p1-4 || =1:9.8p1-7 || =1:9.8p1-8 || =1:9.9p1-1 || =1:9.9p1-2 || =1:9.9p1-3 || =1:9.9p1-3+hurd.1 || =1:9.9p2-1 || =1:9.9p2-2 | - | |
debian 13 | =1:10.0p1-7 || =1:10.0p1-7+deb13u1 || =1:10.0p1-7+deb13u2 || =1:10.0p1-7+deb13u3 || =1:10.0p1-7+deb13u4 || =1:10.0p1-8 || =1:10.1p1-1 || =1:10.1p1-2 || =1:10.2p1-1 || =1:10.2p1-2 || =1:10.2p1-2~bpo13+1 || =1:10.2p1-3 || =1:10.2p1-4 || =1:10.2p1-5 || =1:10.2p1-6 || =1:10.2p1-6~bpo13+1 || =1:10.3p1-1 || =1:10.3p1-1~bpo13+1 || =1:10.3p1-2 || =1:10.3p1-3 || =1:10.3p1-4 || =1:10.3p1-5 || =1:10.3p1-7 || =1:10.3p1-8 || =1:10.3p1-9 || =1:10.4p1-1 || =1:10.4p1-2 || =1:10.4p1-3 || =1:10.4p1-4 || =1:10.4p1-5 | - | |
 rpm rhel10 | - | - | |
rpm rhel6 | - | - | |
rpm rhel7 | - | - | |
rpm rhel8 | - | - | |
rpm rhel9 | - | - |
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