CVE-2021-44847
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Toktok Toxcore
PublishedDec 13, 2021
First seenDec 13, 2021
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| toktok toxcore | 0.1.9 ≤ v ≤ 0.1.11, 0.2.0 ≤ v ≤ 0.2.12 | — |
| fedoraproject fedora | 34, 35 | — |
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