CVE-2019-14847 Null dereference in samba

What is CVE-2019-14847?

CVE-2019-14847 is a medium-severity vulnerability in Fedoraproject Fedora, published on 6 Nov 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.

Weakness: CWE-476

Which versions are affected by CVE-2019-14847?

It affects 3 products.

Products include Fedoraproject Fedora, Opensuse Leap, Samba Samba.

How do I fix CVE-2019-14847?

Upgrade to a fixed version.

Is CVE-2019-14847 being exploited?

There is no known exploitation of CVE-2019-14847 in the wild and no public exploit code.

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• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as ALPINE-CVE-2019-14847, DEBIAN-CVE-2019-14847, ECHO-afc5-d60f-8677, GHSA-fc52-9g4r-5jw7, UBUNTU-CVE-2019-14847.