SUSE-SU-2026:1344-1 Security update for libssh

This update for libssh fixes the following issues: - CVE-2026-3731: denial of service via out-of-bounds read in SFTP extension name handler bsc1259377. - CVE-2026-0964: SCP protocol path traversal in sshscppullrequest bsc1258049. - CVE-2026-0965: possible denial of service when parsing unexpected...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libssh (SUSE-SU-2026:1310-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:1310-1 advisory. - CVE-2026-3731: Denial of Service via out-of-bounds read in SFTP extension name handler bsc1259377...

goshs has an empty-username SFTP password authentication bypass

Summary goshs contains an SFTP authentication bypass when the documented empty-username basic-auth syntax is used. If the server is started with -b ':pass' together with -sftp, goshs accepts that configuration but does not install any SFTP password handler. As a result, an unauthenticated network...

SFTP root escape via prefix-based path validation in goshs

Summary goshs contains an SFTP root escape caused by prefix-based path validation. An authenticated SFTP user can read from and write to filesystem paths outside the configured SFTP root, which breaks the intended jail boundary and can expose or modify unrelated server files. Details The SFTP...

CLSA-2026-1776178207 libssh: Fix of CVE-2026-0968

CVE-2026-0968: sftpparselongname out-of-bounds access...

PT-2026-33229

Name of the Vulnerable Software and Affected Versions goshs versions prior to 2.0.0-beta.6 Description goshs contains an SFTP root escape caused by prefix-based path validation. An authenticated SFTP user can read from and write to filesystem paths outside the configured SFTP root, breaking the...

CVE-2026-40188

goshs is a SimpleHTTPServer written in Go. From 1.0.7 to before 2.0.0-beta.4, the SFTP command rename sanitizes only the source path and not the destination, so it is possible to write outside of the root directory of the SFTP. This vulnerability is fixed in 2.0.0-beta.4...

goshs is Missing Write Protection for Parametric Data Values

Summary The SFTP command rename sanitizes only the source path and not the destination, so it is possible to write outside of the root directory of the SFTP. Details Here is the issue: go // helper.go:155-215 func cmdFileroot string, r sftp.Request, ip string, sftpServer SFTPServer error fullPath...

CVE-2026-40188 goshs is Missing Write Protection for Parametric Data Values

goshs is a SimpleHTTPServer written in Go. From 1.0.7 to before 2.0.0-beta.4, the SFTP command rename sanitizes only the source path and not the destination, so it is possible to write outside of the root directory of the SFTP. This vulnerability is fixed in 2.0.0-beta.4...

CVE-2026-40188

goshs is a Go-based SimpleHTTPServer. From 1.0.7 to before 2.0.0-beta.4, the SFTP rename logic sanitizes only the source path, not the destination, allowing writes outside the root directory of the SFTP. This could enable writing outside the intended sandbox. The issue is fixed in 2.0.0-beta.4 . ...

libssh: libssh: Denial of Service via out-of-bounds read in SFTP extension name handler

A flaw was found in libssh. A remote attacker could trigger an out-of-bounds read vulnerability in the SFTP Extension Name Handler by manipulating the idx argument in the sftpextensionsgetname or sftpextensionsgetdata functions. This could lead to a Denial of Service DoS, making the affected syst...

FileZilla 日志信息泄露漏洞

FileZilla is an open-source FTP/SFTP client for the Windows platform, developed by FileZilla. Version 3.40.0 of FileZilla contains a vulnerability related to log information disclosure. This vulnerability stems from a denial-of-service vulnerability in the local search function, which could allow...

curl: Bypassing Strict SSH Server Verification via Connection Pool Reuse in libcurl

Summary There is a logic flaw in how libcurl manages its connection pool for SSH protocols SFTP/SCP. When evaluating an existing connection for reuse, sshconfigmatches in lib/url.c fails to compare server identity verification policies. By ignoring CURLOPTSSHKNOWNHOSTS, CURLOPTSSHHOSTPUBLICKEYMD5...

CVE-2019-25654

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an...

CVE-2019-25654 Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an...

CVE-2019-25654 Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an...

Core FTP/SFTP Server 缓冲区错误漏洞

Core FTP/SFTP Server is a file transfer server software developed by Core FTP Corporation. Version 1.2 of Core FTP/SFTP Server contains a buffer error vulnerability. This vulnerability stems from a buffer overflow in the user domain field, which could allow attackers to cause the service to crash...

[SECURITY] Fedora 43 Update: php-phpseclib-2.0.52-1.fc43

MIT-licensed pure-PHP implementations of an arbitrary-precision integer arithmetic library, fully PKCS1 v2.1 compliant RSA, DES, 3DES, RC4, Rijndael, AES, Blowfish, Twofish, SSH-1, SSH-2, SFTP, and X.509...

EUVD-2026-16335

A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...

CVE-2026-0968

A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...