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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-111959
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-02 14:17:35 UTC
Updated2026-11-06 19:17:33 UTC
DescriptionOut-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.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.005540000 probability, percentile 0.464800000 (date 2026-11-08)

Problem Types: CWE-20 | CWE-125 | CWE-125 CWE-125 Out-of-bounds read | CWE-20 CWE-20 Improper input validation

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Arrow Rust affected 60.0.0 60.1.0 semver Not specified
CNA Apache Software Foundation Apache Arrow Rust affected 59.0.0 59.3.1 semver Not specified
CNA Apache Software Foundation Apache Arrow Rust affected 58.0.0 58.4.0 semver Not specified
CNA Apache Software Foundation Apache Arrow Rust affected 33.0.0 57.3.1 semver Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/11/02/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
lists.apache.org/thread.html/hnlrdk4w99b188w1zgjlctpwpg7y55o4 [email protected] lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Adam Korczynski of Ada Logics (en)

CNA: Anthropic (en)

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