CVE-2020-15694

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Aug 14, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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