PT-2026-53746

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.4 Apache Tomcat versions 10.1.0-M1 through 10.1.36 Apache Tomcat versions 9.0.0.M1 through 9.0.100 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109...

CVE-2026-52911

In the Linux kernel, the following vulnerability has been resolved: 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 global session lookup in ksmbdsessionlookupall can find the session,...

CVE-2026-52911

The CVE-2026-52911 vulnerability affects the Linux kernel ksmbd code path. When a SESSION_SETUP binds a connection (conn->binding = true), a global session lookup could incorrectly resolve sessions not actually added to the connection’s session list. The fix tightens the global lookup so that ...

CVE-2026-52911

In the Linux kernel, the following vulnerability has been resolved: 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 global session lookup in ksmbdsessionlookupall can find the session,...

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 found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a dangling pointer in krbauthenticate. krbauthenticate frees sess-user and does not set the pointer to NULL. It calls ksmbdkrb5authenticate to reinitialise sess-user, but that function may return without doing so...

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...

CVE-2026-11774 389-ds-base: 389-ds-base: integer overflow in sasl packet length bypasses size limit leading to heap buffer overflow

An integer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. In sasliostartpacket, adding sizeofuint32t to a crafted SASL packet length prefix of 0xFFFFFFFC causes unsigned wraparound to zero, bypassing the nsslapd-maxsasliosize limit and leading to a heap buffer...

EulerOS Virtualization 2.13.1 : sssd (EulerOS-SA-2026-2152)

According to the versions of the sssd packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in the integration of Active Directory and the System Security Services Daemon SSSD on Linux systems. In default...

GHSA-7J6W-VVW2-5F9C OpenBao's Kerberos Auth Method Accumulates Unaccessible Tokens

Impact In OpenBao's Kerberos auth method on the GET handler, or when an Authorization: Negotiate header is supplied, the response is includes a logical.Auth object in addition to an error message. This results in tokens being created with only the default policy, default TTL, and no entity...

CVE-2026-3039 BIND 9 server memory exhaustion during GSS-API TKEY negotiation

BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or...

Important: krb5 security update

Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the...

nimrm 1.2.0

nimrm is a native WinRM interactive shell client written in Nim. It's designed to be a compact and fast tool for system administration and authorized security testing. Key features include NTLM and Kerberos authentication, in-memory operations, file transfers, OPSEC awareness, and cross platform...

Security Bulletin: Multiple vulnerabilities affect Data Virtualization on IBM Software Hub (April 2026 - Part 1 of 2)

Summary Multiple vulnerabilities have been addressed in Data Virtualization on IBM Software Hub. Note that Data Virtualization was named Watson Query on IBM Cloud Pak for Data version 4.8. Vulnerability Details CVEID:CVE-2026-23949 DESCRIPTION: jaraco.context, an open-source software package that...

curl: CVE-2026-5545: wrong reuse of HTTP Negotiate connection

Summary: An attacker sharing a libcurl multi-handle connection pool can hijack another user's Negotiate/Kerberos-authenticated connection. When User A authenticates via Negotiate SPNEGO and the connection returns to the pool, User B using CURLAUTHANY with different credentials gets that connectio...

FreeBSD-SA-26:08.rpcsec_gss

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:08.rpcsecgss Security Advisory The FreeBSD Project Topic: Remote code execution via RPCSECGSS packet validation Category: core Module: rpcsecgss Announced:...

EulerOS 2.0 SP12 : sssd (EulerOS-SA-2026-1382)

According to the versions of the sssd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the integration of Active Directory and the System Security Services Daemon SSSD on Linux systems. In default configurations, th...

EulerOS 2.0 SP13 : sssd (EulerOS-SA-2026-1262)

According to the versions of the sssd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in the integration of Active Directory and the System Security Services Daemon SSSD on Linux systems. In default configurations, th...

sssd default kerberos configuration allows privilege escalation on ad-joined linux systems

A flaw was found in the integration of Active Directory and the System Security Services Daemon SSSD on Linux systems. In default configurations, the Kerberos local authentication plugin sssdkrb5localauthplugin is enabled, but a fallback to the an2ln plugin is possible. This fallback allows an...

ROS-20260220-73-0022

A vulnerability in the ksmbdkrb5authenticate function of the ksmbd component of the Linux kernel is related to null pointer dereferencing. Exploitation of the vulnerability could allow an attacker to cause a denial of service...