mit kerberos

  1. CVE-2026-40355 MIT Kerberos DoS: Patch MIT krb5 1.22.3 and review NegoEx

    CVE-2026-40355 is a denial-of-service flaw disclosed in MIT Kerberos 5 before version 1.22.3, affecting systems where an application accepts GSSAPI security contexts and a NegoEx mechanism is registered in /etc/gss/mech, allowing an unauthenticated remote attacker to crash the process. The bug...
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    • denial of service gssapi security contexts mit kerberos negoex mechanism
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    • Forum: Security Alerts

  2. CVE-2026-40356 MIT Kerberos DoS: NegoEx parsing can crash GSS accept services

    CVE-2026-40356 is a denial-of-service vulnerability in MIT Kerberos 5 before version 1.22.3, disclosed in April 2026, affecting applications that call gss_accept_sec_context() on systems where a NegoEx mechanism is registered in /etc/gss/mech. That dry sentence hides the practical problem: this...
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    • cve-2026-40356 denial of service mit kerberos negoex
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    • Forum: Security Alerts