How severe is CVE-2018-17174?

CVE-2018-17174 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17174?

CVE-2018-17174 affects Nmealib Project Nmealib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17174?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-17174 published?

CVE-2018-17174 was published on 2018-09-21 and last updated on 2026-06-17.

CVE-2018-17174

CVE-2018-17174 is a critical-severity vulnerability in Nmealib Project Nmealib with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Nmealib Project Nmealib
Published: 2018-09-21
Last modified: 2026-06-17

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.

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.
How severe is CVE-2018-17174?: CVE-2018-17174 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17174?: CVE-2018-17174 affects Nmealib Project Nmealib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17174?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17174 published?: CVE-2018-17174 was published on 2018-09-21 and last updated on 2026-06-17.

References

https://www.cnblogs.com/tr3e/p/9662324.html

Affected products (1)

cpe:2.3:a:nmealib_project:nmealib:0.5.3:*:*:*:*:*:*:*

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