CVE-2020-24753

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A memory corruption vulnerability in Objective Open CBOR Run-time (oocborrt) in versions before 2020-08-12 could allow an attacker to execute code via crafted Concise Binary Object Representation (CBOR) input to the cbor2json decoder. An uncaught error while decoding CBOR Major Type 3 text strings leads to the use of an attacker-controllable uninitialized stack value. This can be used to modify memory, causing a crash or potentially exploitable heap corruption.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-755 CWE-787 CWE-908

Affected software

No affected versions have been published.

Timeline

Published: Sep 17, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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