protobufjs: Denial of service through unbounded Any expansion during JSON conversion

Description

protobufjs could recurse without a depth limit while converting decoded messages to plain objects or JSON. This affected generated toObject() conversion and the custom google.protobuf.Any JSON conversion path.

Recommendation

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

• Affected version(s): **>= 8.0.0, <= 8.4.0

  <= 7.6.0**

• Patched version(s): **8.4.1

  7.6.1**

References

• GHSA-wcpc-wj8m-hjx6
• CVE-2026-48712
• CWE-674
• CAPEC-310
• OWASP 2021-A6

Related Issues

• protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion - CVE-2026-45740
• protobuf.js: Denial of service through unbounded protobuf recursion - CVE-2026-44289
• protobuf.js: Process-wide denial of service through unsafe option paths - CVE-2026-44290
• protobufjs: Denial of Service via infinite loop in .proto option parsing - CVE-2026-59877

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How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

protobufjs