Crass : Large numeric exponents cause CPU and memory denial of service

Date Oct 20, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product RubyGems ยท crass
CVE CVE-2026-61845
High-risk advisory CVE-2026-61845

Summary

Crass : Large numeric exponents cause CPU and memory denial of service

Why it matters

GitHub has published a reviewed security advisory for crass. Prioritize it with other application dependency updates.

Operator check

Check whether crass is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.9.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.