SUSE-SU-2026:23245-1: libssh2_org&distro=SUSE Linux Micro 6.0 SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2026:23245-1 is a vulnerability in libssh2_org&distro=SUSE Linux Micro 6.0 SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 19-08-2026
   PublishedVulnerability first disclosed.
2. 27-08-2026
   Last modifiedVulnerability information updated.

Description

Security update for libssh2_org This update for libssh2_org fixes the following issues: Security issues fixed: - 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: heap buffer overflow due to missing bounds check in attribute count of publickey-subsystem response (bsc#1269568). - CVE-2026-58051: uninitialized pointer freed when malformed responses are 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). Other updates and bugfixes: - Fix an issue with Encrypt-then-MAC family (bsc#1221622). * Test the ETM feature in the remote end's configuration when receiving data. Upstream issue: #1331. - Always add the KEX pseudo-methods `ext-info-c` and `kex-strict-c-v00@openssh.com` when configuring custom method list (bsc#1218971). * The strict-kex extension is announced in the list of available KEX methods. However, when the default KEX method list is modified or replaced, the extension is not added back automatically.

No weakness data has been published for this record.