CVE-2021-36155

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CVSS 3.1

7.5 high

EPSS

2%p80

Published

Jul 9, 2021 (Jul 9, 2021)

Modified

Jun 17, 2026

Description

LengthPrefixedMessageReader in gRPC Swift 1.1.0 and earlier allocates buffers of arbitrary length, which allows remote attackers to cause uncontrolled resource consumption and deny service.

Vendors: linuxfoundation
Products: grpc swift
Weakness: CWE-770
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.1%)

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