CVE-2018-5729 Null dereference in n/a

What is CVE-2018-5729?

CVE-2018-5729 is a medium-severity vulnerability in Debian Debian Linux, published on 6 Mar 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.

Weakness: CWE-476

Which versions are affected by CVE-2018-5729?

It affects 6 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Mit Kerberos 5, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.

How do I fix CVE-2018-5729?

Apply the vendor's patch.

Is CVE-2018-5729 being exploited?

There is no known exploitation of CVE-2018-5729 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-2018-5729, GHSA-c28w-559x-wr7v, UBUNTU-CVE-2018-5729.