Security Advisory

CVE-2020-12403

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-05-27 00:00:00

Last updated 2024-08-04 11:56:51

Assigner mozilla

State PUBLISHED

Description

A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55. When using multi-part Chacha20, it could cause out-of-bounds reads. This issue was fixed by explicitly disabling multi-part ChaCha20 (which was not functioning correctly) and strictly enforcing tag length. The highest threat from this vulnerability is to confidentiality and system availability.

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