Astra Linux – Vulnerability in krb5

In MIT Kerberos 5 also known as krb5, prior to version 1.22.3, there was a NULL pointer dereferencing issue when an application called gssacceptseccontext on a system where the NegoEx mechanism was registered in /etc/gss/mech. An unauthenticated remote attacker could trigger this issue, causing t...

EulerOS Virtualization 2.13.0 : krb5 (EulerOS-SA-2026-3217)

According to the versions of the krb5 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system...

EulerOS Virtualization 2.13.1 : krb5 (EulerOS-SA-2026-3177)

According to the versions of the krb5 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system...

JLSEC-2026-1258 In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application...

In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parsenegomessage...

EulerOS 2.0 SP11 : krb5 (EulerOS-SA-2026-3072)

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx...

EulerOS 2.0 SP15 : krb5 (EulerOS-SA-2026-2931)

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an application calls gssacceptseccontext...

EulerOS 2.0 SP13 : krb5 (EulerOS-SA-2026-2972)

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx...

EulerOS 2.0 SP13 : krb5 (EulerOS-SA-2026-3022)

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2731)

According to the versions of the packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with...

EulerOS 2.0 SP12 : krb5 (EulerOS-SA-2026-2596)

According to the versions of the krb5 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx...

MiracleLinux 9 : krb5-1.21.1-10.el9 (AXSA:2026-1204:04)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1204:04 advisory. krb5: MIT Kerberos 5 krb5: Denial of Service via integer underflow and out-of-bounds read CVE-2026-40356 krb5: MIT Kerberos 5: Denial of Service via...

Updated krb5 packages fix security vulnerabilities

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...

SUSE-SU-2026:22255-1 Security update for krb5

This update for krb5 fixes the following issues - CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism bsc1263366. - CVE-2026-40356: Denial of Service via integer underflow and out-of-bounds read bsc1263367...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.5.1.8)

The version of AOS installed on the remote host is prior to 7.5.1.8. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.5.1.8 advisory. - A flaw was found in GLib Gnome Lib. This vulnerability allows a remote attacker to cause heap corruption, leading to a deni...

Security Bulletin: IBM Cloud Pak for Data System 1.0 is affected by multiple vulnerabilities

Summary IBM Cloud Pak for Data System 1.0 CPDS 1.0 includes multiple third-party components that are affected by various security vulnerabilities. These vulnerabilities include integer overflow issues in GLib leading to heap corruption and denial of service, a write-what-where condition in the...

krb5: MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit an integer underflow and an out-of-bounds read vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the process terminating, resulting in a Denial of...

krb5: MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit an integer underflow and an out-of-bounds read vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the process terminating, resulting in a Denial of...

RockyLinux 9 : krb5 (RLSA-2026:19357)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:19357 advisory. krb5: MIT Kerberos 5 krb5: Denial of Service via integer underflow and out-of-bounds read CVE-2026-40356 krb5: MIT Kerberos 5: Denial of Service via NUL...

RLSA-2026:19145 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...

Debian dla-4603 : krb5-admin-server - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4603 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4603-1 [email protected]...