CVE-2018-17937 Memory corruption in gpsd and microjson (Open Source Project)

What is CVE-2018-17937?

CVE-2018-17937 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 13 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

gpsd versions 2.90 to 3.17 and microjson versions 1.0 to 1.3, an open source project, allow a stack-based buffer overflow, which may allow remote attackers to execute arbitrary code on embedded platforms via traffic on Port 2947/TCP or crafted JSON inputs.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2018-17937?

It affects 3 products.

Products include Debian Debian Linux, Gpsd Project Gpsd, Microjson Project Microjson.

How do I fix CVE-2018-17937?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-17937 being exploited?

There is no known exploitation of CVE-2018-17937 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• 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 DEBIAN-CVE-2018-17937, DLA-1738-1, DLA-2795-1, GHSA-67xr-69p3-rj69, MGASA-2019-0150, UBUNTU-CVE-2018-17937.