CVE-2019-20917 Null dereference in n/a

What is CVE-2019-20917?

CVE-2019-20917 is a medium-severity vulnerability in Debian Debian Linux, published on 11 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered in InspIRCd 2 before 2.0.28 and 3 before 3.3.0. The mysql module contains a NULL pointer dereference when built against mariadb-connector-c 3.0.5 or newer. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.

Weakness: CWE-476

Which versions are affected by CVE-2019-20917?

It affects 2 products.

Products include Debian Debian Linux, Inspircd Inspircd.

How do I fix CVE-2019-20917?

Upgrade to a fixed version.

Is CVE-2019-20917 being exploited?

There is no known exploitation of CVE-2019-20917 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-20917, GHSA-8h73-696h-wwm7, UBUNTU-CVE-2019-20917.