Skip to main content
CRITICAL

CVE-2018-17174

CVSS v3

9.8

CRITICAL

EPSS Score

2.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A stack-based buffer overflow was discovered in the xtimor NMEA library (aka nmealib) 0.5.3. nmea_parse() in parser.c allows an attacker to trigger denial of service (even arbitrary code execution in a certain context) in a product using this library via malformed data.

Technical details

Published
2018-09-21

Frequently asked questions

What is CVE-2018-17174?

A stack-based buffer overflow was discovered in the xtimor NMEA library (aka nmealib) 0.5.3. nmea_parse() in parser.c allows an attacker to trigger denial of service (even arbitrary code execution in a certain context) in a product using this library via malformed data.

Is CVE-2018-17174 actively exploited?

Active exploitation of CVE-2018-17174 has not been confirmed. Its EPSS score was 2.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-17174?

CVE-2018-17174 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-17174 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key