OSV-2026-417 Segv on unknown address in arrow::Array::IsNull

Not scored Published

A null pointer dereference in Apache Arrow's Array::IsNull function can cause a segmentation fault, leading to denial of service.

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

What is OSV-2026-417?

OSV-2026-417 is a vulnerability in arrow, published on 18 Mar 2026.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=493063924

Crash type: Segv on unknown address
Crash state:
arrow::Array::IsNull
arrow::Status arrow::VisitArrayInline<arrow::ArrayPrinter>
arrow::ArrayPrinter::Print

Which versions are affected by OSV-2026-417?

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

PackageAffectedFixed in
arrow OSS-FuzzAll versionsNone

How do I fix OSV-2026-417?

No fix has been published for OSV-2026-417 yet. Limit exposure of the affected software until one is available.

Is OSV-2026-417 being exploited?

There is no known exploitation of OSV-2026-417 in the wild and no public exploit code.

Sources

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