Protobuf: Unbounded recursion depth in embedded-message decoding
High-risk advisory
CVE-2026-54451
Summary
Protobuf: Unbounded recursion depth in embedded-message decoding
Why it matters
GitHub has published a reviewed security advisory for protobuf. Prioritize it with other application dependency updates.
Operator check
Check whether protobuf is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.2.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.