Openbsd: >> Openssh >> 1.2.2 Security Vulnerabilities
In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.
CVSS Score
4.8
EPSS Score
0.002
Published
2026-08-11
In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.
CVSS Score
2.5
EPSS Score
0.001
Published
2026-08-11
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
CVSS Score
5.9
EPSS Score
0.002
Published
2026-07-08
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.
CVSS Score
3.7
EPSS Score
0.006
Published
2026-07-08
sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay.
CVSS Score
6.5
EPSS Score
0.003
Published
2026-07-08
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)
CVSS Score
7.7
EPSS Score
0.003
Published
2026-07-08
sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.
CVSS Score
4.2
EPSS Score
0.003
Published
2026-07-08
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
CVSS Score
4.2
EPSS Score
0.003
Published
2026-07-08
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.
CVSS Score
4.2
EPSS Score
0.002
Published
2026-07-08
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.
CVSS Score
4.8
EPSS Score
0.002
Published
2026-07-08