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?
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