Read the docs
Red Hat Security Advisory

RHSA-2026:70191

runc security update

Released 2026-09-23 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 1 record

Priority LOW 27

Previously, resolving relative paths containing parent directory ('..') segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead.

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.0055 Published 2026-08-13 Partial fix · 1.25.13, 1.26.6 +1 CWE-407