CVE-2026-58216

An out-of-bounds read flaw was found in Samba's Kerberos Key Distribution Center's KDC password change kpasswd service. When processing malformed ASN.1-encoded Kerberos password change request, Samba server miscalculates the structure size and attempts to read up to six bytes beyond the end of th...

CVE-2026-58216: Out-of-bounds Read

An out-of-bounds read flaw was found in Samba's Kerberos Key Distribution Center's KDC password change kpasswd service. When processing malformed ASN.1-encoded Kerberos password change request, Samba server miscalculates the structure size and attempts to read up to six bytes beyond the end of th...

CVE-2025-27479 Kerberos Key Distribution Proxy Service Denial of Service Vulnerability

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ALSA-2024:5312 Moderate: 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...

January 9, 2024—KB5034129 (OS Build 20348.2227)

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Moderate: Red Hat Security Advisory: krb5 security, bug fix, and enhancement update

An update for krb5 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

November 8, 2022—KB5019970 (OS Build 10240.19567) - EXPIRED

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[SECURITY] Fedora 37 Update: heimdal-7.7.1-3.fc37

Kerberos 5 is a network authentication and single sign-on system. Heimdal is a free Kerberos 5 implementation without export restrictions written from the spec rfc1510 and successors including advanced features like thread safety, IPv6, master-slave replication of Kerberos Key Distribution Center...

Fedora: Security Advisory for heimdal (FEDORA-2022-cbbd105d08)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

The vulnerability of the Kerberos KDC component of the Active Directory service for Windows operating systems allows attackers to escalate their privileges.

The vulnerability of the Kerberos KDC component of the Active Directory catalog service on Windows operating systems is related to insecure management of privileges. Exploiting this vulnerability could allow a malicious actor to enhance their privileges remotely...

Vulnerability fixed in Kerberos KDC

MIT has fixed a vulnerability in Kerberos. A malicious could potentially exploit the vulnerability to cause a denial-of-service cause in the KDC. -= Fedora =- Fedora has made updates available for Fedora 34. You can install these updates by using the command 'dnf' or 'yum'. More information about...

PAN-OS: Spoofed Kerberos key distribution center authentication bypass

An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center KDC before authenticating users. This affects all forms of authentication that use ...

Moderate: Red Hat Bug Fix Advisory: krb5 bug fix update

Updated krb5 packages that fix one bug are now available for Red Hat Enterprise Linux 7. 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 an...

UBUNTU-CVE-2016-3120

The validateasrequest function in kdcutil.c in the Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1.13.6 and 1.4.x before 1.14.3, when restrictanonymoustotgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service NU...

krb5: KDC remote DoS (NULL pointer dereference and daemon crash)

It was found that if a KDC served multiple realms, certain requests could cause the setupserverrealm function to dereference a NULL pointer. A remote, unauthenticated attacker could use this flaw to crash the KDC using a specially crafted request...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. The Key Distribution Center KDC in MIT Kerberos 5 aka krb5 1.6.x through 1.9, when an LDAP backend is used, allows remote attackers to cause a denial of service NULL pointer dereference or buffer over-read, and...

RedHat Update for krb5 RHSA-2010:0029-01

Check for the Version of krb5 OpenVAS Vulnerability Test RedHat Update for krb5 RHSA-2010:0029-01 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms o...

CentOS Update for krb5-devel CESA-2010:0029 centos4 i386

Check for the Version of krb5-devel OpenVAS Vulnerability Test CentOS Update for krb5-devel CESA-2010:0029 centos4 i386 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modif...

Ubuntu: Security Advisory (USN-879-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2010 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-879-1: Kerberos vulnerability

Jeff Blaine, Radoslav Bodo, Jakob Haufe, and Jorgen Wahlsten discovered that the Kerberos Key Distribution Center service did not correctly verify certain network traffic. An unauthenticated remote attacker could send a specially crafted request that would cause the KDC to crash, leading to a...