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]...

TencentOS Server 3: krb5 (TSSA-2026:0386)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0386 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

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: Denial of Service via NULL pointer dereference in NegoEx mechanism

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit a NULL pointer dereference vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the termination of the process, resulting in a Denial of Service DoS...

OESA-2026-2257 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: In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext...

CentOS 9 : krb5-1.21.1-10.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the krb5-1.21.1-10.el9 build changelog. - 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...

SUSE CVE-2026-40356

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 on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, possibly causing the process t...

Linux Distros Unpatched Vulnerability : CVE-2026-40356

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 on a system...

CVE-2026-40355

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit a NULL pointer dereference vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the termination of the process, resulting in a Denial of Service DoS...

DEBIAN-CVE-2026-40356

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 on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, possibly causing the process t...

CVE-2026-40355

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...

CVE-2026-40356

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 on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, possibly causing the process t...

CVE-2026-40356

MIT Kerberos 5 (krb5) before 1.22.3 is affected by an integer underflow that causes an out-of-bounds read when an application calls gss_accept_sec_context() on systems with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, potentially causing the...

PT-2026-35666

Name of the Vulnerable Software and Affected Versions MIT Kerberos 5 versions prior to 1.22.3 Description An integer underflow leads to an out-of-bounds read when an application calls the gss accept sec context function on a system with a NegoEx mechanism registered in /etc/gss/mech. An...

gssntlmssp: incorrect free when decoding target information

A flaw was found in GSS-NTLMSSP, a mechglue plugin for the GSSAPI library that implements NTLM authentication. An incorrect free when decoding target information can trigger a denial of service. The error condition incorrectly assumes the cb and sh buffers contain a copy of the data that needs to...

SUSE CVE-2023-25564

GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, memory corruption can be triggered when decoding UTF16 strings. The variable outlen was not initialized and could cause writing a zero to an arbitrary place in memory if...

SUSE CVE-2023-25566

GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, a memory leak can be triggered when parsing usernames which can trigger a denial-of-service. The domain portion of a username may be overridden causing an allocated memory area the...

AZL-45234 CVE-2023-25564 affecting package gssntlmssp for versions less than 1.3.1-1

GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, memory corruption can be triggered when decoding UTF16 strings. The variable outlen was not initialized and could cause writing a zero to an arbitrary place in memory if...

CVE-2023-25564

GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, memory corruption can be triggered when decoding UTF16 strings. The variable outlen was not initialized and could cause writing a zero to an arbitrary place in memory if...