CVE-2021-44847

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A stack-based buffer overflow in handle_request function in DHT.c in toxcore 0.1.9 through 0.1.11 and 0.2.0 through 0.2.12 (caused by an improper length calculation during the handling of received network packets) allows remote attackers to crash the process or potentially execute arbitrary code via a network packet.

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

Affected software

No affected versions have been published.

Timeline

Published
Dec 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-44847: Critical severity, CVSS 9.8 | Vulnix