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A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is...
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI (Generic Security Service Application Programming Interface) indicators when a trailing NULL termination is missing in...
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange (DH-GEX) client path. This occurs during FIPS (Federal Information Processing Standards) mode...
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 14
OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters.
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 14
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 14
OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 14
In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the username on the command line is untrusted, and also requires a non-default...
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 14
In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O (legacy scp protocol) and without -p (preserve mode).
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Needs evaluation | Needs evaluation |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 4 of 10
Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The...
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Not affected | Fixed | Fixed | Fixed | Not affected |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |
Some fixes available 5 of 13
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.
2 affected packages
openssh, openssh-ssh1
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| openssh | Fixed | Fixed | Fixed | Fixed | Not affected |
| openssh-ssh1 | Ignored | Ignored | Ignored | Ignored | Ignored |