libssh: libssh: stack buffer overflow in SFTP server longname construction

A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead ...

SUSE-SU-2026:22978-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2026-59995: sftp: location of downloaded files not properly constrained when sftp server:/path . is used with an attacker-controlled server bsc1271044. - CVE-2026-59996: scp: file placed in the parent directory of an intended target...

OPENSUSE-SU-2026:21477-1 Security update for openssh

This update for openssh fixes the following issues: - CVE-2026-59995: sftp: location of downloaded files not properly constrained when sftp server:/path . is used with an attacker-controlled server bsc1271044. - CVE-2026-59996: scp: file placed in the parent directory of an intended target...

[SECURITY] Fedora 43 Update: restic-0.19.1-1.fc43

Fast, secure, efficient backup program. restic supports the following backends for storing backups natively: Local directory sftp server via SSH HTTP REST server protocol, rest-server Amazon S3 either from Amazon or using the Minio server OpenStack Swift BackBlaze B2 Microsoft Azure Blob Storage...

[SECURITY] Fedora 44 Update: restic-0.19.1-1.fc44

Fast, secure, efficient backup program. restic supports the following backends for storing backups natively: Local directory sftp server via SSH HTTP REST server protocol, rest-server Amazon S3 either from Amazon or using the Minio server OpenStack Swift BackBlaze B2 Microsoft Azure Blob Storage...

SUSE SLES12 Security Update : libssh (SUSE-SU-2026:3302-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3302-1 advisory. This update for libssh fixes the following issues - CVE-2026-3731: denial of service via out-of-bounds read in SFTP extension name handler...

SUSE SLES16 Security Update : libssh (SUSE-SU-2026:22956-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22956-1 advisory. - CVE-2026-15370: stack buffer overflow in SFTP server longname construction bsc1272162. - CVE-2026-59843: denial of service via...

GHSA-RJRW-MJQ6-HPMM goshs SFTP authentication bypass via empty password (incomplete fix of CVE-2026-40884)

Summary Start goshs v2.1.3 with -b 'admin:' -sftp. No -fkf. SFTP accepts connections without password. CVE-2026-40884 blocks the empty-username variant -b ':pass'. The empty-password variant bypasses that fix. CVE-2026-40884 CVE-2026-40884 GHSA-c29w-qq4m-2gcv, Apr 13 2026 reported the...

goshs SFTP authentication bypass via empty password (incomplete fix of CVE-2026-40884)

Summary Start goshs v2.1.3 with -b 'admin:' -sftp. No -fkf. SFTP accepts connections without password. CVE-2026-40884 blocks the empty-username variant -b ':pass'. The empty-password variant bypasses that fix. CVE-2026-40884 CVE-2026-40884 GHSA-c29w-qq4m-2gcv, Apr 13 2026 reported the...

CVE-2026-62325

Goshs 2.1.3–2.1.4 SFTP authentication bypass vulnerability arises from sftpserver/sftpserver.go password handler: it only checks Username != "" && Password != "", which allowed unauthenticated access when running with -b 'admin:' -sftp and without -fkf. The issue effectively lets an attacker acce...

CVE-2026-62325 goshs SFTP authentication bypass via empty password (incomplete fix of CVE-2026-40884)

goshs is a feature-rich single-binary file server for red teamers and developers. From 2.1.3 until 2.1.4, the sftpserver/sftpserver.go password handler used Username != "" && Password != "", so running goshs with -b 'admin:' -sftp and no -fkf left both SFTP authentication handlers unset and allow...

CVE-2026-62325 goshs SFTP authentication bypass via empty password (incomplete fix of CVE-2026-40884)

goshs is a feature-rich single-binary file server for red teamers and developers. From 2.1.3 until 2.1.4, the sftpserver/sftpserver.go password handler used Username != "" && Password != "", so running goshs with -b 'admin:' -sftp and no -fkf left both SFTP authentication handlers unset and allow...

SUSE CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

SUSE-SU-2026:3330-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via oversized SFTP read length bsc1272165. - CVE-2026-59845: denial of service via unchecked ProxyCommand fork failure...

libssh2: libssh2: Arbitrary code execution via double-free in SFTP session

A flaw was found in libssh2. A malicious SSH Secure Shell server can exploit a double-free vulnerability in the sftpopen function. This flaw allows the server to corrupt the heap memory of an authenticated client when it opens an SFTP SSH File Transfer Protocol session. This heap corruption can...

libssh2 Double-Free Heap Corruption via sftp_open()

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OPENSUSE-SU-2026:21444-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-15370: stack buffer overflow in SFTP server longname construction bsc1272162. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via oversized SFTP read length...

SUSE-SU-2026:22948-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-15370: stack buffer overflow in SFTP server longname construction bsc1272162. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via oversized SFTP read length...

SUSE-SU-2026:22956-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-15370: stack buffer overflow in SFTP server longname construction bsc1272162. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via oversized SFTP read length...

SUSE-SU-2026:22940-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-15370: stack buffer overflow in SFTP server longname construction bsc1272162. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: denial of service via oversized SFTP read length...