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CVE-2020-12403 A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS in versions before 3.55

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.

Affected products and versions

Product Affected versions Fixed in
nss Versions not published

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CVE-2022-3479 A vulnerability found in nss Not rated CVE-2020-25648 A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3 Not rated
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