Rocky Linux 10.1 [CIQ] Security Update: openssh / openssh-askpass / openssh-askpass-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_23479)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523479 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh://...

Rocky Linux 8 [CIQ] Security Update: openssh / openssh-askpass / openssh-askpass-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_23481)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523481 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh:// UR...

AlmaLinux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1767955216)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1767955216 advisory. - ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources,...

Rocky Linux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786549709)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786549709 advisory. - A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSHMSGCHANNELOPEN, causing...

CentOS Linux 8.5 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1767627264)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1767627264 advisory. - ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources,...

CentOS Linux 8 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1767627533)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1767627533 advisory. - ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources,...

AlmaLinux 9.6 [TuxCare] Security Update: libssh / libssh-config / libssh-devel Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786549709)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786549709 advisory. - A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSHMSGCHANNELOPEN, causing lat...

CentOS Linux 8.4 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1767627828)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1767627828 advisory. - ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources,...

Medium: libssh

Issue Overview: A flaw was found in libssh. A remote authenticated client can issue SSHFXPREAD requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests. CVE-2026-59844 A flaw was found in libssh. When...

Amazon Linux 2023 : libssh, libssh-config, libssh-devel (ALAS2023-2026-3096)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3096 advisory. A flaw was found in libssh. A remote authenticated client can issue SSHFXPREAD requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and...

MGASA-2026-0425 Updated libssh packages fix security vulnerabilities

Stack buffer overflow in SFTP server longname construction. CVE-2026-15370 Denial of service via zero advertised channel packet size. CVE-2026-59843 Denial of service via oversized SFTP read length. CVE-2026-59844 Denial of service via unchecked ProxyCommand fork failure. CVE-2026-59845 Informati...

Updated libssh packages fix security vulnerabilities

Stack buffer overflow in SFTP server longname construction. CVE-2026-15370 Denial of service via zero advertised channel packet size. CVE-2026-59843 Denial of service via oversized SFTP read length. CVE-2026-59844 Denial of service via unchecked ProxyCommand fork failure. CVE-2026-59845 Informati...

EulerOS Virtualization 2.11.0 : openssh (EulerOS-SA-2026-3534)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed ...

EulerOS Virtualization 2.11.1 : openssh (EulerOS-SA-2026-3447)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed ...

Astra Linux – Vulnerability in libssh

A flaw was discovered in libssh. By using the ProxyCommand or ProxyJump feature, users can exploit unvalidated hostname syntax on the client side. This issue may allow an attacker to inject malicious code into the commands related to these features via the hostname parameter...

Astra Linux – Vulnerability in sshfs-fuse

SSHFS is a network filesystem client for connecting to SSH servers. From version 1.4 up to 3.7.6, SSHFS accepts a bracketed mount source such as -oProxyCommand=CMD:/path. The findbasepath function removes the brackets, leaving a host value that starts with a “-” and is passed directly to ssh as a...

VulnCheck KEV: CVE-2026-45695

Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists a...

MiracleLinux 9 : libssh-0.10.4-19.el9_8 (AXSA:2026-1751:03)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1751:03 advisory. libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read...

AlmaLinux 8 : libssh (ALSA-2026:62218)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:62218 advisory. libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read length...

MiracleLinux 8 : libssh-0.9.6-17.el8_10 (AXSA:2026-1742:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1742:02 advisory. libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read...