Withdrawn by the publisher.

Affected: CleanStart: langfuse

Package langfuse version 3.208.0-r1 fixes 24 vulnerabilities: CVE-2026-59895, CVE-2026-59896, CVE-2026-59897, CVE-2026-69207, CVE-2026-71848...

protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.6.5 and 8.6.6, protobufjs parsed option names by advancing through schema tokens until reaching an = token without checking for end of input, so a crafted .proto schema that opens an option declaration and ends prematurely can cause parse, Root.load, or Root.loadSync to loop indefinitely. This issue is fixed in versions 7.6.5 and 8.6.6.

Affected: npm: protobufjs

## Summary

protobufjs parsed option names by advancing through schema tokens until it reached an `=` token, without checking for end of input. A crafted `.proto` schema that opens an option declaration but ends prematurely could cause the option parser to loop without ever terminating.

This affects the reflection parsing path (`parse`, `Root.load`, `Root.loadSync`).

## Impact

An attacker who can provide or influence `.proto` schema text parsed by an application may be able to cause the parsing call to never return. Because Node.js is single-threaded, the blocked event loop prevents all other work in the process, resulting in a denial of service that persists until the process is externally terminated.

Applications that only encode or decode protobuf binary data with trusted schemas are not directly affected.

## Preconditions

- The application must parse `.proto` schema text influenced by an attacker. - The schema must be parsed through APIs such as `parse`, `Root.load`, or `Root.loadSync`. - The crafted input must begin an option declaration that ends before its `=` assignment.

## Workarounds

Do not parse `.proto` schemas from untrusted sources with affected versions. If untrusted schema text must be accepted, isolate parsing in a process or worker that can be safely terminated and bound it with a timeout, so a non-returning parse call cannot deny service to the rest of the application.

multer: Multer: Denial of Service via aborted or malformed multipart uploads multer: Multer: Denial of Service via deeply nested field names in multipart form data brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity fast-uri: fast-uri: Security policy bypass due to improper Unicode hostname canonicalization protobufjs: protobufjs: Denial of Service via crafted JSON descriptors js-cookie: JavaScript Cookie: Cookie attribute manipulation via prototype pollution grpc-js: @grpc/grpc-js: Server crash via malformed HTTP/2 stream initiation grpc-js: @grpc/grpc-js: Client or server crash via malformed compressed message linkify-it: linkify-it: Denial of Service via algorithmic complexity vulnerability dompurify: DOMPurify: Cross-site scripting vulnerability allows code execution js-yaml: js-yaml: Denial of Service via crafted YAML documents protobufjs: protobufjs: Denial of Service via crafted .proto schema

Ein Angreifer kann mehrere Schwachstellen in IBM App Connect Enterprise ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, und um Daten zu manipulieren.