OESA-2026-4493 krb5 security update

Kerberos is a network authentication protocol. It is designed to provide strong authentication for client/server applications by using secret-key cryptography. Security Fixes: MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns...

OESA-2026-4491 krb5 security update

Kerberos is a network authentication protocol. It is designed to provide strong authentication for client/server applications by using secret-key cryptography. Security Fixes: MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns...

Rocky Linux 9.6 [TuxCare] Security Update: krb5-devel / krb5-libs / krb5-pkinit / krb5-server / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1791811122)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791811122 advisory. - MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns success...

AlmaLinux 9.6 [TuxCare] Security Update: krb5-devel / krb5-libs / krb5-pkinit / krb5-server / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1791811122)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1791811122 advisory. - MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns success...

Linux Distros Unpatched Vulnerability : CVE-2026-107708

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns success while leaving the client...

DEBIAN-CVE-2026-107708

MIT krb5 through 1.22.2 contains a NULL pointer dereference vulnerability in the KDC's getpacprincwithrealm that returns success while leaving the client principal NULL on malformed names. A malicious or compromised cross-realm trusted KDC can send an S4U2Proxy request with a PAC carrying a...

SUSE CVE-2008-0063

The Kerberos 4 support in KDC in MIT Kerberos 5 krb5kdc does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."...

idm:DL1 bug fix update

AlmaLinux Identity Management IdM is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments. Bug Fixes: IPA krb5kdc crash possible doublefree ipadbmspacstructfree finishprocessasreq BZ1930562 krb5kdc is crashing...

PT-2021-1015

Name of the Vulnerable Software and Affected Versions: AlmaLinux Identity Management IdM affected versions not specified Description: The issue concerns a centralized authentication, identity management, and authorization solution. It involves a possible double-free error in the ipadb mspac struc...

Arbitrary Code Execution

krb5 is vulnerable to arbitrary code execution. An input validation flaw was found in the ASN.1 Abstract Syntax Notation One decoder used by MIT Kerberos. A remote attacker could use this flaw to crash a network service using the MIT Kerberos library, such as kadmind or krb5kdc, by causing it to...

Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2018-1361)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2019-1167)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2016-1076)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Denial Of Service (DoS)

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third-party, the Key Distribution Center KDC. When a client attempts to use PKINIT to obtain credentials from the KDC, the client can specify, using ...

Amazon Linux AMI : krb5 (ALAS-2018-1010)

A denial of service flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to exit with an assertion failure by making an invalid S4U2Self or S4U2Proxy request.CVE-2017-11368 An authentication bypass flaw was found in the way krb5's certauth...

Medium: krb5

Issue Overview: A denial of service flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to exit with an assertion failure by making an invalid S4U2Self or S4U2Proxy request.CVE-2017-11368 An authentication bypass flaw was found in the way...

Medium: krb5

Issue Overview: Authentication bypass by improper validation of certificate EKU and SAN An authentication bypass flaw was found in the way krb5's certauth interface handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to...

krb5: Invalid S4U2Self or S4U2Proxy request causes assertion failure

A denial of service flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to exit with an assertion failure by making an invalid S4U2Self or S4U2Proxy request...

Updated krb5 packages fix security vulnerability

A denial of service flaw was found in MIT Kerberos krb5kdc service. An authenticated attacker could use this flaw to cause krb5kdc to exit with an assertion failure by making an invalid S4U2Self or S4U2Proxy request CVE-2017-11368...

EulerOS 2.0 SP1 : krb5 (EulerOS-SA-2016-1076)

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A NULL pointer dereference flaw was found in MIT Kerberos kadmind service. An authenticated attacker with permission to modify a principal entry...