How severe is CVE-2026-29974?

CVE-2026-29974 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-29974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-29974?

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

Does CVE-2026-29974 have an EU (EUVD) identifier?

Yes. CVE-2026-29974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28786.

When was CVE-2026-29974 published?

CVE-2026-29974 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-29974

CVE-2026-29974 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28786
Weakness: CWE-121
Published: 2026-05-08
Last modified: 2026-06-17

Description

An issue was discovered in kosma minmea 0.3.0. The minmea_scan functions format specifier copies NMEA field data to a caller-provided buffer without a size parameter. Applications using minmea_scan on untrusted input are vulnerable to a stack buffer overflow.

Frequently asked questions

What is CVE-2026-29974?: An issue was discovered in kosma minmea 0.3.0. The minmea_scan functions format specifier copies NMEA field data to a caller-provided buffer without a size parameter. Applications using minmea_scan on untrusted input are vulnerable to a stack buffer overflow.
How severe is CVE-2026-29974?: CVE-2026-29974 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-29974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-29974?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-29974 have an EU (EUVD) identifier?: Yes. CVE-2026-29974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28786.
When was CVE-2026-29974 published?: CVE-2026-29974 was published on 2026-05-08 and last updated on 2026-06-17.

References

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