SUSE-SU-2026:4095-1: libssh2_org&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2026:4095-1 is a vulnerability in libssh2_org&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 09-09-2026
   PublishedVulnerability first disclosed.
2. 14-09-2026
   Last modifiedVulnerability information updated.

Description

Security update for libssh2_org This update for libssh2_org fixes the following issues: - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftp_symlink() function in src/sftp.c (bsc#1268546). - CVE-2026-7598: integer overflow in function `userauth_password` of file `src/userauth.c` (bsc#1263890). - CVE-2026-58050: attacker controlled attribute count from a publickey-subsystem response is used without bounds checking and can cause to a heap buffer overflow in a connecting libssh2 client (bsc#1269568). - CVE-2026-58051: public key list is increased and does not zero-initialized new entries, which can cause an uninitialized pointer to be freed when a malformed response is sent by an SSH server (bsc#1269567). - CVE-2026-66032: Arbitrary code execution via double-free in SFTP session (bsc#1272737). - CVE-2026-66033: Denial of Service via integer underflow in AES-GCM cipher negotiation (bsc#1272736). - CVE-2026-66034: Information disclosure and potential arbitrary code execution via heap out-of-bounds read (bsc#1272735). - CVE-2026-66035: Arbitrary code execution via heap buffer overflow during SSH negotiation (bsc#1272734).

No weakness data has been published for this record.