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OpenAdvisories
Critical · 9.1 CVE-2026-111959 EUVD-2026-115182GHSA-gqmm-qrjq-4c7hRUSTSEC-2026-0442

Apache Arrow Rust: Improper validation of RunEndEncoded arrays allows out of bounds reads

Published Nov 2, 2026 · Updated Nov 6, 2026 · Assigned by apache

Description

Out-of-bounds read vulnerability in Apache Arrow Rust (`arrow` crate), from version 33.0.0 through to versions 57.3.1, 58.4.0, 59.3.1 and 60.0.0.

Improper validation of RunEndEncoded arrays in the ArrayData interface can allow reading data beyond the bounds of the child values array.

Users are recommended to upgrade to versions 60.1.0, 59.3.2, 58.4.1, 57.3.2 which fixes the issue.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache Arrow Rust 60.0.0 – < 60.1.0, 59.0.0 – ≤ 59.3.1, 58.0.0 – ≤ 58.4.0, 33.0.0 – ≤ 57.3.1 60.1.0

Affected packages

EcosystemPackageAffectedFixedRecord
crates.io arrow-data >= 33.0.0, < 57.3.2 · >= 58.0.0, < 58.4.1 · >= 59.0.0, < 59.3.2 · >= 60.0.0, < 60.1.0 57.3.2, 58.4.1, 59.3.2, 60.1.0 RUSTSEC-2026-0442

References