A vulnerability was identified in the kjd/idna library, specifically within the `idna.encode()` function, affecting version 3.6. The issue arises from the function's handling of crafted input strings, which can lead to quadratic complexity and consequently, a denial of service condition. This vulnerability is triggered by a crafted input that causes the `idna.encode()` function to process the input with considerable computational load, significantly increasing the processing time in a quadratic manner relative to the input size.

Published: 2024-07-07

CVSS: 7.5

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

Download Exploit for CVE-2024-3651 here:

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https://tatramed.sk/exploit-913-cve-2022-34410/

https://tatramed.sk/exploit-624-cve-2025-49794/

https://tatramed.sk/exploit-163-cve-2019-7304/