OSV-2026-189 Global-buffer-overflow in gpsd_poll

Not scored Published

A global buffer overflow in gpsd_poll allows remote attackers to cause denial of service or potentially execute arbitrary code.

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

What is OSV-2026-189?

OSV-2026-189 is a memory corruption vulnerability in gpsd, published on 4 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=480975802

Crash type: Global-buffer-overflow READ 1
Crash state:
gpsd_poll
FuzzDriversStructured.c

Which versions are affected by OSV-2026-189?

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

PackageAffectedFixed in
gpsd OSS-FuzzAll versionsNone

How do I fix OSV-2026-189?

No fix has been published for OSV-2026-189 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-2026-189 being exploited?

There is no known exploitation of OSV-2026-189 in the wild and no public exploit code.

Sources

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