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ALSA-2025:20126 — Moderate: openssh security update

Affected: AlmaLinux:10: openssh, AlmaLinux:10: openssh-askpass, AlmaLinux:10: openssh-clients, AlmaLinux:10: openssh-keycat, AlmaLinux:10: openssh-keysign, AlmaLinux:10: openssh-server

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

* openssh: OpenSSH SSHD Agent Forwarding and X11 Forwarding (CVE-2025-32728)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

bdu:2025-04768

BELL-CVE-2025-32728

Affected: Alpaquita:23: openssh, Alpaquita:stream: openssh, BellSoft Hardened Containers:23: openssh, BellSoft Hardened Containers:stream: openssh

certfr-2025-avi-0969 — De multiples vulnérabilités ont été découvertes dans les produits VMware. Elles permettent à un attaquant de provoquer…

certfr-2025-avi-0969

EUVD-2026-238409

fkie_cve-2025-32728

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.

GHSA-26mg-p594-q328

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.

ICSA-23-348-10 — Siemens SIMATIC S7-1500

expat 2.1.0 and earlier does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE. shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees run-mailcap in the Debian mime-support package before 3.52-1+deb7u1 allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a filename. In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9 Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted bzip2 file, related to block ends set to before the start o…

msrc_CVE-2025-32728 — In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it di…

msrc_CVE-2025-32728

OESA-2025-1439 — openssh security update

Affected: openEuler:24.03-LTS: openssh

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and sophisticated configuration options. Security Fix(es):

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. For an attack to be considered successful, the attacker needs to manage to exhaust the client's memory resource first, turning the attack complexity high.(CVE-2025-26465)

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.(CVE-2025-32728)

openSUSE-SU-2025:15091-1 — openssh-10.0p2-2.1 on GA media

openssh-10.0p2-2.1 on GA media

SUSE-SU-2025:01638-1 — Security update for openssh

Security update for openssh

UBUNTU-CVE-2025-32728

Affected: Ubuntu:Pro:18.04:LTS: openssh, Ubuntu:18.04:LTS: openssh-ssh1, Ubuntu:Pro:FIPS-updates:18.04:LTS: openssh, Ubuntu:Pro:FIPS:18.04:LTS: openssh, Ubuntu:20.04:LTS: openssh, Ubuntu:20.04:LTS: openssh-ssh1, Ubuntu:Pro:FIPS-updates:20.04:LTS: openssh, Ubuntu:Pro:FIPS:20.04:LTS: openssh, Ubuntu:22.04:LTS: openssh, Ubuntu:22.04:LTS: openssh-ssh1 and 8 more

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding.

WID-SEC-W-2025-0775 — OpenSSH: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Ein lokaler Angreifer kann eine Schwachstelle in OpenSSH ausnutzen, um Sicherheitsvorkehrungen zu umgehen.