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CVE-2024-4420 Details

Description

There exists a Denial of service vulnerability in Tink-cc in versions prior to 2.1.3. * An adversary can crash binaries using the crypto::tink::JsonKeysetReader in tink-cc by providing an input that is not an encoded JSON object, but still a valid encoded JSON element, for example a number or an array. This will crash as Tink just assumes any valid JSON input will contain an object. * An adversary can crash binaries using the crypto::tink::JsonKeysetReader in tink-cc by providing an input containing many nested JSON objects. This may result in a stack overflow. We recommend upgrading to version 2.1.3 or above

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/tink-crypto/tink-cc/issues/4	CVE	Issue TrackingPatchThird Party Advisory
https://github.com/tink-crypto/tink-cc/issues/4	[email protected]	Issue TrackingPatchThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-116	Improper Encoding or Escaping of Output	[email protected]

Affected Products

Product	Versions
google tink c++	< 2.1.3
CPE cpe:2.3:a:google:tink_c++:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Jun 5, 2025	Initial Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 21, 2024	CVE Modified	[email protected]
May 21, 2024	CVE Modified	[email protected]
May 21, 2024	New CVE Received	[email protected]