EulerOS 2.0 SP11 : libssh2 (EulerOS-SA-2026-4250)

According to the versions of the libssh2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP11 : libssh2 (EulerOS-SA-2026-4341)

According to the versions of the libssh2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

CentOS Linux 7 [TuxCare] Security Update: libssh2 / libssh2-devel / libssh2-docs (CENTOS7:CLSA-2026:1787064509)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1787064509 advisory. - 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...

CentOS Linux 6 [TuxCare] Security Update: libssh2 / libssh2-devel / libssh2-docs (CENTOS6:CLSA-2026:1787063936)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1787063936 advisory. - 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...

Updated libssh2 packages fix security vulnerabilities

Double-Free Heap Corruption via sftpopen. CVE-2026-66032 Integer Underflow DoS via AES-GCM Cipher Negotiation. CVE-2026-66033 Heap Buffer Overflow via ETM Cipher Negotiation. CVE-2026-66035...

CLSA-2026-1787740667 Fix CVE(s): CVE-2026-66032

SECURITY UPDATE: double free in sftpopen lets a malicious SSH server corrupt the heap of an authenticated client opening an SFTP session - debian/patches/CVE-2026-66032.patch: set data to NULL after freeing the SSHFXPSTATUS response buffer on the FXOK path, so the ifbadness arm cannot free the sa...

CLSA-2026-1787393556 libssh2: Fix of CVE-2026-66032

CVE-2026-66032: nullify data after free in sftpopen to prevent a double-free when sftppacketrequire fails on the FXPSTATUS/FXOK path...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libssh2 (UTSA-2026-102685)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102685 advisory. 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...

CLSA-2026-1787063936 libssh2: Fix of CVE-2026-66032

CVE-2026-66032: nullify data after free in sftpopen to prevent a double-free when sftppacketrequire fails on the FXPSTATUS/FXOK path...

libssh2: Fix of CVE-2026-66032

CVE-2026-66032: nullify data after free in sftpopen to prevent a double-free when sftppacketrequire fails on the FXPSTATUS/FXOK path...

CLSA-2026-1786478067 Fix CVE(s): CVE-2026-66032

SECURITY UPDATE: double free in sftpopen reachable by a malicious SSH server against an authenticated client opening an SFTP session - debian/patches/CVE-2026-66032.patch: NULL the response buffer after freeing it on the FXOK path, so the ifbadness arm cannot free the same stale pointer a second...

JLSEC-2026-1085 libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the...

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...

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...

CVE-2026-66032

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...

Linux Distros Unpatched Vulnerability : CVE-2026-66032

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 ...

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...

ALPINE-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...

DEBIAN-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...

UBUNTU-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...

Multiple Releases of Same Resource or Handle

Overview Affected versions of this package are vulnerable to Multiple Releases of Same Resource or Handle in the sftpopen function. An attacker can execute arbitrary code on the client system by enticing a user to connect to a specially crafted SSH server and initiate an SFTP transfer. This is on...