CVE-2026-29974 Memory corruption in n/a

High 7.5 Published Updated

A stack buffer overflow in the minmea library allows attackers to execute arbitrary code or cause denial of service via crafted NMEA data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-29974?

CVE-2026-29974 is a high-severity memory corruption vulnerability in n/a, published on 8 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-121

Which versions are affected by CVE-2026-29974?

How do I fix CVE-2026-29974?

No fix has been published for CVE-2026-29974 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2026-29974 being exploited?

There is no known exploitation of CVE-2026-29974 in the wild and no public exploit code.

Sources

Also known as GHSA-9p5f-57xg-vg2m.

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