OSV-2026-156 Segv on unknown address in aivdm_analyze

Not scored Published

A segmentation fault in the AIVDM analyzer of the GPS daemon allows attackers to cause a denial of service via crafted input.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is OSV-2026-156?

OSV-2026-156 is a memory corruption vulnerability in gpsd, published on 28 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=478021379

Crash type: Segv on unknown address
Crash state:
aivdm_analyze
gpsd_poll
FuzzDrivers.c

Which versions are affected by OSV-2026-156?

1 open source package ship an affected version, including gpsd.

PackageAffectedFixed in
gpsd OSS-FuzzAll versionsNone

How do I fix OSV-2026-156?

No fix has been published for OSV-2026-156 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 OSV-2026-156 being exploited?

There is no known exploitation of OSV-2026-156 in the wild and no public exploit code.

Sources

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