ROOT-OS-ALPINE-323-CVE-2026-66033 CVE-2026-66033 in libssh2 - Patched by Root

Root has patched CVE-2026-66033 in the libssh2 package for Root:Alpine:3.23. Multiple fixed versions available...

ROOT-OS-ALPINE-322-CVE-2026-66033 CVE-2026-66033 in libssh2 - Patched by Root

Root has patched CVE-2026-66033 in the libssh2 package for Root:Alpine:3.22. Multiple fixed versions available...

ROOT-OS-DEBIAN-12-CVE-2026-66033 CVE-2026-66033 in libssh2 - Patched by Root

Root has patched CVE-2026-66033 in the libssh2 package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-66033 CVE-2026-66033 in libssh2 - Patched by Root

Root has patched CVE-2026-66033 in the libssh2 package for Root:Debian:11. Multiple fixed versions available...

SUSE SLED15 / SLES15 Security Update : libssh2_org (SUSE-SU-2026:3541-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3541-1 advisory. - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. ...

Security update for libssh2_org

This update for libssh2org fixes the following issues: CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. CVE-2026-58050: heap buffer overflow d...

SUSE SLES12 Security Update : libssh2_org (SUSE-SU-2026:3525-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3525-1 advisory. - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. - CVE-2026-7598: integer overflow...

BELL-CVE-2026-66033

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CVE-2026-66033

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...