CVE-2026-55654

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

UBUNTU-CVE-2026-55654

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

EUVD-2026-38414

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-55654

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-55654 Openssh: heap out-of-bounds read in red hat enterprise linux versions of openssh gssapi indicator cleanup due to missing null sentinel termination

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

CVE-2026-55654

CVE-2026-55654 describes a heap out-of-bounds read in OpenSSH during GSSAPI indicator cleanup when a trailing NULL termination is missing in the auth-indicators array. A remote attacker in configurations using GSSAPI authentication with Kerberos could trigger a crash/abort in the SSH authenticati...

CVE-2026-55654

A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming Interface indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific...

Linux Distros Unpatched Vulnerability : CVE-2026-55654

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI Generic Security Service Application Programming...

CVE-2026-52911

Technical details are not publicly available in the provided documents; monitor for updates.

Linux Distros Unpatched Vulnerability : CVE-2026-52911

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: scope conn-binding slowpath to bound sessions only When the binding SESSIONSETUP sets conn-binding = true, the flag stays set after the call so that the...

Astra Linux – Vulnerability in krb5

The file “lib/kadm5/kadmrpcxdr.c” in MIT Kerberos 5 also known as krb5 before versions 1.20.2 and 1.21.x before version 1.21.1 exposes an uninitialized pointer. A remotely authenticated user can cause a Kadmind crash. This occurs because the function xdrkadm5principalentrec does not validate the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The issue of a null pointer dereference error in generateencryptionkey has been fixed. If a client sends two session setups with KRB5 authentication to ksmbd, a null pointer dereference error in generateencryptionkey can...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a use-after-free issue in Kerberos authentication. The introduction of sess-user = NULL was necessary to fix the dangling pointer created by ksmbdfreeuser. However, it is possible that another thread might be...

Astra Linux – Vulnerability in krb5

In kdc/kdcpreauthec.c of the Key Distribution Center KDC in MIT Kerberos 5 also known as krb5, before versions 1.18.4 and 1.19.x, and before version 1.19.2, remote attackers could exploit a vulnerability that led to a NULL pointer dereferencing and a crash of the daemon. This occurs because the...

Siemens RuggedCom Rox Use of Weak Hash (CVE-2025-3576)

A vulnerability in the MIT Kerberos implementation allows GSSAPI- protected messages using RC4-HMAC-MD5 to be spoofed due to weaknesses in the MD5 checksum design. If RC4 is preferred over stronger encryption types, an attacker could exploit MD5 collisions to forge message integrity codes. This m...

NTLM Relay to Self (HTTP to LDAP) - Post Exploitation

This module performs an NTLM relay-to-self privilege escalation attack. It starts an HTTP-to-LDAP relay server on the compromised host, then triggers the WebClient service via an ETW event allowing a low-privilege user to start it, and coerces the local machine account to authenticate via...

Linux Distros Unpatched Vulnerability : CVE-2026-11850

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An integer underflow vulnerability was found in MIT krb5 in the berval2tldata function in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c. The function performs an...

ROS-20260615-73-0043

The vulnerabilities of the functions kerberosAcceptSecurityContext and kerberosInitializeSecurityContextA in the FreeRDP client are related to a memory reclamation error. Exploiting these vulnerabilities could allow an attacker to compromise the accessibility of protected information...

Weekly Metasploit Update: New Kerberos/Certificate tracing options, and multiple new modules

New Tracing Options As hard as we try to ensure that Metasploit is bug free, issues inevitably come up. Whether you’re running a module on an op or writing a new one, what we can do is make the debugging experience easier. To that end one of our two Google Summer of Code GSoC projects is here to...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: krb5: krb5-devel-1.22.2-8.hum1 aarch64, x8664 krb5-libs-1.22.2-8.hum1 aarch64, x8664 krb5-pkinit-1.22.2-8.hum1 aarch64, x8664 krb5-server-1.22.2-8.hum1 aarch64, x8664 krb5-server-ldap-1.22.2-8.hu...