An issue in protobuf-java allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.
History

Mon, 21 Apr 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Google

Published: 2022-01-07T00:00:00.000Z

Updated: 2025-04-21T13:57:08.444Z

Reserved: 2021-01-05T00:00:00.000Z

Link: CVE-2021-22569

cve-icon Vulnrichment

Updated: 2024-08-03T18:44:14.144Z

cve-icon NVD

Status : Modified

Published: 2022-01-10T14:10:16.747

Modified: 2024-11-21T05:50:20.647

Link: CVE-2021-22569

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-01-06T00:00:00Z

Links: CVE-2021-22569 - Bugzilla