CVE-2021-44847 - CVE House
Back to Database
Status published Critical CVE-2021-44847

A stack-based buffer overflow in handle_request function in DHT.c in...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-44847

Credits & Attribution

No credits recorded in the NVD database.

References

More from toktok

View All →
CVE-2018-25022
The Onion module in toxcore before 0.2.2 doesn't restrict which...
Low 3.1
CVE-2018-25021
The TCP Server module in toxcore before 0.2.8 doesn't free...
High 7.5

Affected Vendor

Affected Software

toxcore, fedora
Vulnerable Versions:
0.1.9, 0.2.0, 34, 35

Timeline

Official Publish: December 13th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.