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libssh2 libssh2libssh2 userauth.c userauth_password integer overflow

Risk 37
Severity
6.9
EPSS
0.07%
First published (updated )
CVE-2026-7598

libssh2 Base64 Encoding Heap Overflow in Known Hosts SHA1 Hash Processing

First published (updated )
https://seclists.org/oss-sec/2025/q3/138

libssh2 Base64 Encoding Heap Overflow in Known Hosts SHA1 Hash Processing

First published (updated )
https://seclists.org/oss-sec/2025/q3/137

libssh2 libssh2libssh2 vulnerability

Risk 23
First published (updated )
Advisory
USN-6585-1

CVE-2023-48795: Prefix Truncation Attacks in SSH Specification (Terrapin Attack)

First published (updated )
https://seclists.org/oss-sec/2023/q4/297
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Fortinet FortiSIEMOpenSSH Terrapin attack (CVE-2023-48795)

Risk 37
Severity
6
First published (updated )
CVE-2023-48795

ubuntu/libssh2An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access…

Risk 46
Severity
7.5
First published (updated )
CVE-2020-22218

Fedoraproject FedoraInteger Overflow

Risk 59
Severity
8.1
First published (updated )
CVE-2019-17498

Debian Debian LinuxInteger Overflow

Risk 59
Severity
8.1
First published (updated )
CVE-2019-13115

openSUSE LeapAn out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty…

Risk 66
Severity
9.1
First published (updated )
CVE-2019-3860
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Fedoraproject FedoraAn out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and…

Risk 66
Severity
9.1
First published (updated )
CVE-2019-3859

openSUSE LeapInteger Overflow

Risk 77
Severity
8.8
First published (updated )
CVE-2019-3863

debian/libssh2A server could send a specially crafted SSH_MSG_CHANNEL_REQUEST packet with an exit status message a…

Risk 70
Severity
9.1
First published (updated )
CVE-2019-3862

openSUSE LeapA server could send a specially crafted SSH packet with a padding length value greater than the pack…

Risk 66
Severity
9.1
First published (updated )
CVE-2019-3861

openSUSE LeapA server could send a specially crafted partial SFTP packet with a zero value for the payload length…

Risk 70
Severity
9.1
First published (updated )
CVE-2019-3858
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Debian Debian LinuxInteger Overflow

Risk 77
Severity
8.8
First published (updated )
CVE-2019-3857

Debian Debian LinuxInteger Overflow

Risk 77
Severity
8.8
First published (updated )
CVE-2019-3856

Fedoraproject FedoraInteger Overflow

Risk 83
Severity
9.3
First published (updated )
CVE-2019-3855

Fedoraproject FedoraInfoleak

Risk 35
Severity
5.9
First published (updated )
CVE-2016-0787

Fedoraproject FedoraInput Validation

Risk 47
Severity
6.8
First published (updated )
CVE-2015-1782
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