OESA-2026-3016 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds he...

OESA-2026-3015 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds he...

OESA-2026-3014 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds he...

UBUNTU-CVE-2026-53994

ProFTPD modsftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxppacketread function accepts the attacker-supplied 32-bit big-endian SFTP packet length without a minimum sanity check. A value of 0 causes an unsigned subtraction elsewhere in the read path to...

CVE-2026-53994 ProFTPD mod_sftp Heap Buffer Overflow via Unsigned Integer Underflow and Size Truncation

ProFTPD modsftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxppacketread function accepts the attacker-supplied 32-bit big-endian SFTP packet length without a minimum sanity check. A value of 0 causes an unsigned subtraction elsewhere in the read path to...

CVE-2026-53994 ProFTPD mod_sftp Heap Buffer Overflow via Unsigned Integer Underflow and Size Truncation

ProFTPD modsftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxppacketread function accepts the attacker-supplied 32-bit big-endian SFTP packet length without a minimum sanity check. A value of 0 causes an unsigned subtraction elsewhere in the read path to...

CVE-2026-53994

ProFTPD modsftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxppacketread function accepts the attacker-supplied 32-bit big-endian SFTP packet length without a minimum sanity check. A value of 0 causes an unsigned subtraction elsewhere in the read path to...

CVE-2026-53994

ProFTPD mod_sftp has a heap-based buffer overflow reachable by an authenticated SFTP user. The fxp_packet_read() function accepts an attacker-controlled 32-bit big-endian SFTP packet length without minimum sanity checks. A value of 0 underflows in the read path, yielding an oversized request (~4 ...

Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : OpenSSH vulnerabilities (USN-8533-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8533-1 advisory. It was discovered that OpenSSH sftp did not properly constrain the location of downloaded files when connecting to an...

PYSEC-2026-2424 compliance-trestle Remote Fetching Mechanism has an Arbitrary File Write via Cache Path Traversal

Summary The compliance-trestle library's remote fetching cache mechanism HTTPSFetcher and SFTPFetcher constructs the local cache file path from the URL path component without sanitizing path traversal sequences ../. When a remote OSCAL profile references a URL with traversal in its path, the HTTP...

Progress MOVEit Transfer 2022.1.x / 2023.0.x < 2023.0.17 / 2023.1.x < 2023.1.12 / 2024.0.x < 2024.0.8 / 2024.1.x < 2024.1.2 Privilege Escalation (March 2025)

The version of Progress MOVEit Transfer, formerly Ipswitch MOVEit DMZ, installed on the remote host is affected by a privilege escalation vulnerability as referenced in Progress Community article 000256795. - Improper Privilege Management vulnerability for users configured as Shared Accounts in...

JLSEC-2026-659 libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability...

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

SUSE CVE-2026-12064

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

openssh: OpenSSH: sftp client allows attacker to control downloaded file location

A flaw was found in OpenSSH. The sftp client, when used to download files from a malicious server with the 'sftp server:/path .' command, does not properly restrict where those files are saved. This allows an attacker to control the download location, potentially overwriting existing files or...

OESA-2026-2940 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: Improper Limitation of a Pathname to a Restricted...

sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controlled server.

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internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.

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CVE-2026-10699 Memory leak in SFTP service can result in a denial of service in MOVEit Transfer

Missing release of memory after effective lifetime vulnerability in Progress MOVEit Transfer Custom Reports modules. This issue affects MOVEit Transfer: from 2025.0.0 before 2025.0.8, from 2025.1.0 before 2025.1.4, from 2026.0.0 before 2026.0.1...

CVE-2026-10699

CVE-2026-10699 affects Progress MOVEit Transfer (Custom Reports modules) with a memory leak caused by missing release of memory after its effective lifetime. Affects MOVEit Transfer versions: 2025.0.0–before 2025.0.8, 2025.1.0–before 2025.1.4, and 2026.0.0–before 2026.0.1. The issue can lead to d...

CVE-2026-59997

A flaw was found in OpenSSH. The internal-sftp component within sshd incorrectly processes command-line arguments, recognizing only the first nine. This limitation can prevent the application of intended security configurations for SFTP SSH File Transfer Protocol connections, potentially leading ...