postgres-protocol: Unbounded SCRAM iteration count allows a malicious server to cause CPU-exhaustion denial of service

Date Aug 24, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Rust · postgres-protocol
High-risk advisory

Summary

postgres-protocol: Unbounded SCRAM iteration count allows a malicious server to cause CPU-exhaustion denial of service

Why it matters

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

Operator check

Check whether postgres-protocol is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

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