1158 matches found
Amazon Linux 2 : libssh2, --advisory ALAS2-2026-3329 (ALAS-2026-3329)
The version of libssh2 installed on the remote host is prior to 1.4.3-12. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3329 advisory. A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the...
[SECURITY] Fedora 43 Update: libssh2-1.11.1-6.fc43
libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10...
Fedora 43 : libssh2 (2026-1b9134cdc9)
The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-1b9134cdc9 advisory. This update addresses CVE-2026-7598, a potential heap buffer overflow, which could be triggered remotely by supplying very long username and/or password...
[SECURITY] Fedora 44 Update: libssh2-1.11.1-6.fc44
libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10...
Fedora 44 : libssh2 (2026-f87ac8187c)
The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-f87ac8187c advisory. This update addresses CVE-2026-7598, a potential heap buffer overflow, which could be triggered remotely by supplying very long username and/or password...
Critical Photon OS Security Update - PHSA-2026-5.0-91-0857
Updates of 'linux-esx', 'nginx', 'libssh2', 'glibc', 'linux', 'grub2' packages of Photon OS have been released...
Critical Photon OS Security Update - PHSA-2026-5.0-92-0857
Updates of 'strongswan', 'libssh2', 'grub2', 'rubygem-nokogiri' packages of Photon OS have been released...
Ubuntu 24.04 LTS / 25.10 / 26.04 LTS : libssh2 vulnerability (USN-8309-1)
The remote Ubuntu 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8309-1 advisory. It was discovered that libssh2 incorrectly handled username and password length values during SSH password authentication. A remote attacker...
Critical Photon OS Security Update - PHSA-2026-5.0-0857
Updates of 'nginx', 'libssh2', 'linux', 'strongswan', 'rubygem-nokogiri', 'grub2', 'linux-esx', 'glibc' packages of Photon OS have been released...
USN-8309-1: libssh2 vulnerability
It was discovered that libssh2 incorrectly handled username and password length values during SSH password authentication. A remote attacker could possibly use this issue to cause a denial of service...
CLSA-2026-1779216196 libssh2: Fix of CVE-2026-7598
CVE-2026-7598: fix integer overflow in userauthpassword CVE-2026-7598...
OESA-2026-2336 libssh2 security update
libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: A security vulnerability has been detected in libssh2 up to 1.11.1. The...
libssh2: Fix of CVE-2026-7598
CVE-2026-7598: add usernamelen/passwordlen bounds checks in userauthlist and userauthpassword to prevent integer overflow when allocating the SSH USERAUTHREQUEST packet buffer...
CLSA-2026-1778745959 libssh2: Fix of CVE-2026-7598
CVE-2026-7598: add usernamelen/passwordlen bounds checks in userauthlist and userauthpassword to prevent integer overflow when allocating the SSH USERAUTHREQUEST packet buffer...
CLSA-2026-1778247114 libssh2: Fix of CVE-2026-7598
CVE-2026-7598: fix integer overflow in userauthpassword CVE-2026-7598...
libssh2: integer overflow via large username or password arguments
A flaw was found in the libssh2 library. A remote attacker can exploit an integer overflow vulnerability in the userauthpassword function by manipulating the usernamelen or passwordlen arguments and cause a heap-based buffer overflow. This leads to a crash to the application linked to the library...
JLSEC-2026-492
A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the file src/userauth.c. Such manipulation of the argument usernamelen/passwordlen leads to integer overflow. The attack may be launched remotely. The name of the patch is...
libssh2: Fix of 2 CVEs
CVE-2019-13115: add bounds-checked stringbuf helpers and use them in diffiehellmansha1 to prevent out-of-bounds read on malformed KEX reply - CVE-2019-17498: harden bounds checks in SSHMSGDISCONNECT, SSHMSGDEBUG and SSHMSGGLOBALREQUEST handlers to prevent integer overflow / out-of-bounds read...
CLSA-2026-1778159627 libssh2: Fix of 2 CVEs
CVE-2019-13115: add bounds-checked stringbuf helpers and use them in diffiehellmansha1 to prevent out-of-bounds read on malformed KEX reply - CVE-2019-17498: harden bounds checks in SSHMSGDISCONNECT, SSHMSGDEBUG and SSHMSGGLOBALREQUEST handlers to prevent integer overflow / out-of-bounds read...
