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CVE-2020-12403

Published: May 27, 2021

Modified: Aug 4, 2024

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.

Vendor	Product	Versions
n/a	nss	affected `nss 3.55`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1868931

https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.55_release_notes

[debian-lts-announce] 20230220 [SECURITY] [DLA 3327-1] nss security update

mailing-list

https://security.netapp.com/advisory/ntap-20230324-0006/

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