SUSE-SU-2026:3525-1

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Source
https://www.suse.com/support/update/announcement/2026/suse-su-20263525-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3525-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:3525-1
Upstream
Related
Published
2026-08-07T13:08:26Z
Modified
2026-08-08T09:00:04Z
Summary
Security update for libssh2_org
Details

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-2026-55199: pre-authentication DoS via the SSH_MSG_EXT_INFO handler (bsc#1268530).
  • 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).
References

Affected packages

SUSE:Linux Enterprise Server 12 SP5-LTSS / libssh2_org

Package

Name
libssh2_org
Purl
pkg:rpm/suse/libssh2_org&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.0-29.18.1

Ecosystem specific 

{
    "binaries": [
        {
            "libssh2-1": "1.11.0-29.18.1",
            "libssh2-1-32bit": "1.11.0-29.18.1",
            "libssh2-devel": "1.11.0-29.18.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3525-1.json"

SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 / libssh2_org

Package

Name
libssh2_org
Purl
pkg:rpm/suse/libssh2_org&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.0-29.18.1

Ecosystem specific 

{
    "binaries": [
        {
            "libssh2-1": "1.11.0-29.18.1",
            "libssh2-1-32bit": "1.11.0-29.18.1",
            "libssh2-devel": "1.11.0-29.18.1"
        }
    ]
}

Database specific

source 
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3525-1.json"