SUSE-SU-2026:4095-1

Source
https://www.suse.com/support/update/announcement/2026/suse-su-20264095-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4095-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/SUSE-SU-2026:4095-1
Upstream
CVE (8)
Related
Published
2026-09-09T08:34:01Z
Modified
2026-09-14T18:23:38Z
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-2026-58050: 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).
References

Affected packages

SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
libssh2_org

Package

Name
libssh2_org
Purl
pkg:rpm/suse/libssh2_org&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.0-150000.4.35.1

Ecosystem specific

{
    "binaries":  [
        {
            "libssh2-1":  "1.11.0-150000.4.35.1",
            "libssh2-1-32bit":  "1.11.0-150000.4.35.1"
        }
    ]
}

Database specific

source
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4095-1.json"
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
libssh2_org

Package

Name
libssh2_org
Purl
pkg:rpm/suse/libssh2_org&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.0-150000.4.35.1

Ecosystem specific

{
    "binaries":  [
        {
            "libssh2-1":  "1.11.0-150000.4.35.1",
            "libssh2-1-32bit":  "1.11.0-150000.4.35.1"
        }
    ]
}

Database specific

source
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4095-1.json"
SUSE:Linux Enterprise Server 15 SP4-LTSS
libssh2_org

Package

Name
libssh2_org
Purl
pkg:rpm/suse/libssh2_org&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.0-150000.4.35.1

Ecosystem specific

{
    "binaries":  [
        {
            "libssh2-1":  "1.11.0-150000.4.35.1",
            "libssh2-1-32bit":  "1.11.0-150000.4.35.1"
        }
    ]
}

Database specific

source
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4095-1.json"