CVE-2021-36154

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-36154: High severity, CVSS 7.5 | Vulnix