Vulnerability library
Security checkMay 14, 2026

protobuf.js: Denial of service from crafted field names in generated code

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Medium severitynpmprotobufjs

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Description

protobufjs generated JavaScript property accessors from schema-controlled field and oneof names. Certain control characters in field names were not escaped before being embedded into generated function bodies.

Recommendation

Update the protobufjs package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 8.0.0, <= 8.0.1 <= 7.5.5**
  • Patched version(s): **8.0.2 7.5.6**

References

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Related Issues

See something that needs correcting? Let us knowUpdated May 14, 2026