Vulnerability details

CVE-2026-111959

Apache Software Foundation Apache Arrow Rust

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

CVSS 3.1
9.1Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.1Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

VendorProductVersionsSource
Apache Software Foundation Apache Arrow Rust 33.0.0 ≤ v ≤ 57.3.1 CVEProject cvelistV5 (CNA)
Apache Software Foundation Apache Arrow Rust 58.0.0 ≤ v ≤ 58.4.0 CVEProject cvelistV5 (CNA)
Apache Software Foundation Apache Arrow Rust 59.0.0 ≤ v ≤ 59.3.1 CVEProject cvelistV5 (CNA)
Apache Software Foundation Apache Arrow Rust 60.0.0 ≤ v < 60.1.0 CVEProject cvelistV5 (CNA)

References and advisories

2
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2026-11-02
Last updated
2026-11-06
State
Published
Assigner (CNA)
apache
Kolun priority
25 · Low

Exploit prediction (EPSS)

0.55%
Probability of exploitation in 30 days
46.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-125
    Out-of-bounds read
  • CWE-20
    Improper input validation