CVE-2014-4344 Null dereference in n/a

What is CVE-2014-4344?

CVE-2014-4344 is a high-severity vulnerability in Debian Debian Linux, published on 14 Aug 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The acc_ctx_cont function in the SPNEGO acceptor in lib/gssapi/spnego/spnego_mech.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 during a SPNEGO negotiation.

Weakness: CWE-476

Which versions are affected by CVE-2014-4344?

It affects 6 products.

Products include Debian Debian Linux, Mit Kerberos 5, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2014-4344?

Upgrade to a fixed version.

Is CVE-2014-4344 being exploited?

There is no known exploitation of CVE-2014-4344 in the wild and no public exploit code.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-4344, GHSA-335x-2h4v-298w, UBUNTU-CVE-2014-4344.