Explore

Rule Explorer

Search the public rule index by CVE, GHSA, CWE, language, framework, author, or rule slug. Filter by language, framework, severity, confidence, license, and validation status.

Public rules
2917
Downloads
3.6M
Verified
2917
Authors
2
Search the rule indexUse CVE, GHSA, CWE, language, framework, package, or rule slug.
1 rules matched. Showing 1 loaded rules.
Publish rule
CVE-2026-42189: Unchecked Network Decoded Count Vec Capacitycve-2026-42189-unchecked-network-decoded-count-vec-capacity

An integer count decoded from untrusted external data is passed to Vec::with_capacity without bounding it against the remaining readable packet/buffer bytes. A crafted large count (e.g. u32::MAX ~4 billion) can trigger a multi-gigabyte heap allocation, crashing the process via OOM before any credential is verified (pre-auth DoS). Clamp the decoded count to t

by Provallyupdated 2026-06-12Apache-2.0
1.3K0 direct1.3K via packs
downloads
77quality
All matching rules loaded.