CVE-2014-4342 Denial of service in n/a

What is CVE-2014-4342?

CVE-2014-4342 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 20 Jul 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

MIT Kerberos 5 (aka krb5) 1.7.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (buffer over-read or NULL pointer dereference, and application crash) by injecting invalid tokens into a GSSAPI application session.

Weakness: CWE-119

Which versions are affected by CVE-2014-4342?

It affects 7 products.

Products include Debian Debian Linux, Mit Kerberos, Mit Kerberos 5, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server and 1 more.

How do I fix CVE-2014-4342?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-4342 being exploited?

There is no known exploitation of CVE-2014-4342 in the wild and no public exploit code.

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• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• 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-2014-4342, GHSA-734c-f6jq-56f9, UBUNTU-CVE-2014-4342.