CVE-2025-47981 SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability

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SUSE CVE-2009-0845

The spnegogssacceptseccontext function in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via invalid ContextFlags data in the reqFlags field in a...

SUSE CVE-2014-4343

Double free vulnerability in the initctxreselect function in the SPNEGO initiator in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via network...

Denial Of Service (DoS)

krb5 is vulnerable to denial of service. Multiple input validation flaws were found in the MIT Kerberos GSS-API library's implementation of the SPNEGO mechanism. A remote attacker could use these flaws to crash any network service utilizing the MIT Kerberos GSS-API library to authenticate users o...

Denial Of Service (DoS)

krb5 is vulnerable to denial of service. Multiple input validation flaws were found in the MIT Kerberos GSS-API library's implementation of the SPNEGO mechanism. A remote attacker could use these flaws to crash any network service utilizing the MIT Kerberos GSS-API library to authenticate users o...

CVE-2015-2695

lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service incorrect pointer read and process crash via a crafted SPNEGO packet that is mishandled during a gssinquirecontext call...

CVE-2014-4343

Double free vulnerability in the initctxreselect function in the SPNEGO initiator in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via network...

DEBIAN-CVE-2014-4344

The accctxcont function in the SPNEGO acceptor in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.5.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via an empty continuation token at a certain point...

UBUNTU-CVE-2014-4343

Double free vulnerability in the initctxreselect function in the SPNEGO initiator in lib/gssapi/spnego/spnegomech.c in MIT Kerberos 5 aka krb5 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service memory corruption or possibly execute arbitrary code via network...

Scientific Linux Security Update : krb5 on SL4.x, SL5.x i386/x86_64

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 dereference or free an uninitialized pointer...