Out-of-Bounds Read Vulnerability in Apache Arrow Rust
CVE-2026-111959

Currently unrated

Key Information:

Vendor

Apache

Vendor
CVE Published:
2 November 2026

What is CVE-2026-111959?

An out-of-bounds read vulnerability exists in Apache Arrow Rust via improper validation of RunEndEncoded arrays in the ArrayData interface. This flaw permits unauthorized access to memory beyond the limits of the child values array, potentially leading to data leakage. Users are strongly advised to upgrade to versions 60.1.0, 59.3.2, 58.4.1, and 57.3.2 to mitigate this issue and enhance security.

Affected Version(s)

Apache Arrow Rust 60.0.0 < 60.1.0

Apache Arrow Rust 59.0.0 <= 59.3.1

Apache Arrow Rust 58.0.0 <= 58.4.0

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Adam Korczynski of Ada Logics
Anthropic
.