OSV-2026-307 Global-buffer-overflow in navcom_parse
A global buffer overflow in navcom_parse allows attackers to cause a denial of service via crafted GPS data.
- 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-2026-307?
OSV-2026-307 is a memory corruption vulnerability in gpsd, published on 25 Feb 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=486709178
Crash type: Global-buffer-overflow READ 1
Crash state:
navcom_parse
gpsd_poll
FuzzDrivers.c
Which versions are affected by OSV-2026-307?
1 open source package ship an affected version, including gpsd.
| Package | Affected | Fixed in |
|---|---|---|
gpsd OSS-Fuzz | All versions | None |
How do I fix OSV-2026-307?
No fix has been published for OSV-2026-307 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-2026-307 being exploited?
There is no known exploitation of OSV-2026-307 in the wild and no public exploit code.