CVE-2021-28041High· 7.1▾ Twilightssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 39.1 · likelihood 0.7 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
3.4%
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
openssh >= 8.2, < 8.5fedora = 33fedora = 34cloud_backuphci_management_nodesolidfirehci_compute_node_firmwarehci_storage_node_firmwarecommunications_offline_mediation_controller = 12.0.0.3.0zfs_storage_appliance = 8.8Upgrade past the affected range:
openssh 8.5Connected by shared product, vendor, weakness, or advisory.
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