VULNERABILITY INTELLIGENCE

CVE-2021-36155

CVSS score7.5 HIGH
EPSS probability2.08%
CISA KEVNot currently listed
Published2021-07-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-770

Primary references