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CVE-2023-48795

Medium priority

Some fixes available 38 of 85

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation...

13 affected packages

openssh, dropbear, golang-go.crypto, snapd, lxd...

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
openssh Fixed Fixed Fixed Fixed
dropbear Needs evaluation Fixed Fixed Fixed
golang-go.crypto Needs evaluation Needs evaluation Needs evaluation Needs evaluation
snapd Not affected Not affected Not affected Not affected
lxd Not in release Not in release Not affected Fixed
libssh Not affected Fixed Fixed Not affected
openssh-ssh1 Ignored Ignored Ignored Ignored
libssh2 Not affected Not affected Not affected Not affected
paramiko Fixed Fixed Fixed Needs evaluation
putty Needs evaluation Needs evaluation Needs evaluation Needs evaluation
proftpd-dfsg Not affected Not affected Fixed Needs evaluation
python-asyncssh Fixed Fixed Fixed Ignored
filezilla Fixed Fixed Fixed Not affected
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CVE-2020-22218

Medium priority
Fixed

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Fixed Fixed
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CVE-2019-3863

Medium priority

Some fixes available 2 of 4

A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3862

Medium priority

Some fixes available 2 of 4

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3861

Medium priority

Some fixes available 2 of 4

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3860

Medium priority

Some fixes available 2 of 4

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3859

Medium priority

Some fixes available 2 of 4

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3858

Medium priority

Some fixes available 2 of 4

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3857

Medium priority

Some fixes available 2 of 4

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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CVE-2019-3856

Medium priority

Some fixes available 2 of 4

An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute...

1 affected package

libssh2

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
libssh2 Not affected Not affected Not affected Vulnerable
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