CVE-2018-7866 Null dereference in n/a

What is CVE-2018-7866?

CVE-2018-7866 is a medium-severity vulnerability in Debian Debian Linux, published on 8 Mar 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A NULL pointer dereference was discovered in newVar3 in util/decompile.c in libming 0.4.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.

Weakness: CWE-476

Which versions are affected by CVE-2018-7866?

It affects 2 products.

Products include Debian Debian Linux, Libming Libming.

How do I fix CVE-2018-7866?

Upgrade to a fixed version.

Is CVE-2018-7866 being exploited?

There is no known exploitation of CVE-2018-7866 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• 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 GHSA-64g3-cj3g-3566, UBUNTU-CVE-2018-7866.