LI
Product
libssh
by Libssh · last CVE Jul 21, 2026
45
CVEs
0
On KEV
9.1
Max CVSS
0
New 30D
Severity mix
Critical 1High 12Medium 21Low 3
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-59844
6.5
1%
Jul 21
Libssh: libssh: denial of service via oversized sftp read length
Affected: All versions, or not specified
CVE-2026-59843
6.5
1%
Jul 21
Libssh: libssh: denial of service via zero advertised channel packet size
Affected: All versions, or not specified
CVE-2025-5449
6.5
1%
Jul 25
A flaw was found in the SFTP server message decoding logic of libssh
Affected: 0.11.0; 0.11.1
CVE-2025-5351
6.5
1%
Jul 4
A flaw was found in the key export functionality of libssh
Affected: 0.10.0 before 0.11.2
CVE-2023-3603
6.5
1%
Jul 21
A missing allocation check in sftp server processing read requests may cause a NULL dereference on low-memory conditions
Affected: before 0.8.9
CVE-2023-2283
6.5
1%
May 26
A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki_verify_data_signature` function in memory allocation…
Affected: 0.9.1 through 0.9.6; 0.10.0 through 0.10.4
CVE-2023-1667
6.5
1%
May 26
A NULL pointer dereference was found In libssh during re-keying with algorithm guessing
Affected: 0.9.1 through 0.9.6; 0.10.0 through 0.10.4
CVE-2021-3634
6.5
5%
Aug 31
A flaw has been found in libssh in versions prior to 0.9.6
Affected: 0.9.1 before 0.9.6
CVE-2026-0964
6.3
0%
Mar 26
Libssh: improper sanitation of paths received from scp servers
Affected: before 0.11.4
CVE-2026-59845
5.9
0%
Jul 21
Libssh: libssh: denial of service via unchecked proxycommand fork() failure
Affected: All versions, or not specified
CVE-2023-48795
5.9
94%
Dec 18
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…
Affected: before 0.10.6
CVE-2020-16135
5.9
4%
Jul 29
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL
Affected: 0.9.4
CVE-2016-0739
5.9
2%
Apr 13
libssh before 0.7.3 improperly truncates ephemeral secrets generated for the (1) diffie-hellman-group1 and (2) diffie-hellman-group14 key exchange methods to 128 bits, which makes…
Affected: through 0.7.2
CVE-2026-0967
5.5
0%
Mar 26
Libssh: libssh: denial of service via inefficient regular expression processing
Affected: through 0.11.3
CVE-2025-5318
5.4
2%
Jun 24
A flaw was found in the libssh library in versions less than 0.11.2
Affected: before 0.11.2
CVE-2026-59848
5.3
0%
Jul 21
Libssh: libssh: denial of service via sftp responses with unknown request ids
Affected: All versions, or not specified
CVE-2026-59842
5.3
0%
Jul 21
Libssh: libssh: information disclosure via short gssapi curve25519 public key
Affected: 0.12.0
CVE-2023-6918
5.3
1%
Dec 19
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends
Affected: 0.9.0 before 0.9.8; 0.10.0 before 0.10.6
CVE-2020-1730
5.3
3%
Apr 13
A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers
Affected: 0.8.0 before 0.8.9; 0.9.0 before 0.9.4
CVE-2023-6004
4.8
0%
Jan 3
A flaw was found in libssh
Affected: 0.8.0 before 0.9.8; 0.10.0 before 0.10.6
CVE-2025-8114
4.7
0%
Jul 24
A flaw was found in libssh, a library that implements the SSH protocol
Affected: through 0.11.2
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