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.
Published: 2026-11-02
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 03 Nov 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache arrow Rust
Vendors & Products Apache
Apache arrow Rust

Tue, 03 Nov 2026 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'}

threat_severity

Moderate


Mon, 02 Nov 2026 20:30:00 +0000

Type Values Removed Values Added
References

Mon, 02 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
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.
Title Apache Arrow Rust: Improper validation of RunEndEncoded arrays allows out of bounds reads
Weaknesses CWE-125
CWE-20
References

Subscriptions

Apache Arrow Rust
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-11-02T20:05:09.522Z

Reserved: 2026-10-17T16:33:55.330Z

Link: CVE-2026-111959

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-02T14:17:35.493

Modified: 2026-11-02T20:17:28.060

Link: CVE-2026-111959

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-11-02T13:34:17Z

Links: CVE-2026-111959 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T16:26:40Z

Weaknesses