Patch Forecast
Amber warning
Patch this week.

CVE-2026-111959

Out-of-bounds read vulnerability in Apache Arrow Rust (`arrow` crate), from version 33.0.0 through…

Risk score
62/100
CVSS
9.1 v3.1
Exploit chance (30 days)
0.2%
Published
2 Nov 2026

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What to know

What it is
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 …
Affected
See advisory
Fix
Upgrade the product to 60.1.0, 59.3.2, 58.4.1 or 57.3.2 (whichever matches your release line), or later.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 9.1 critical
  • Remotely exploitable without logging in

References

Original 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.

Last activity 2 Nov 2026. Patch Forecast updates every hour.