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Protobufjs (<= 7.5.5)

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high advisory

protobuf.js Denial-of-Service Vulnerability via Unbounded Recursion (CVE-2026-44289)

protobuf.js is vulnerable to a denial-of-service (DoS) attack (CVE-2026-44289) due to unbounded recursion while decoding nested protobuf data, potentially leading to stack exhaustion and process crashes when processing crafted protobuf binary payloads.

protobufjs +1 denial of service CVE-2026-44289
2r 1t
high advisory

protobuf.js Prototype Pollution Leads to Code Generation Gadget

protobufjs versions 7.5.5 and earlier, as well as versions 8.0.0 through 8.0.1, are vulnerable to arbitrary JavaScript execution if Object.prototype has been polluted, allowing attackers to influence generated encode/decode functions.

protobufjs +1 prototype-pollution code-generation javascript
2r