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CVE-2020-12403: Invalid Bug ID
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.
‘1868931?cve=title’ is not a valid bug number nor an alias to a bug.
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An update for nss is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2020-6829: nss: Side channel attack on ECDSA signature generation * CVE-2020-12400: nss: P-384 and P-521 implementation uses a side-channel vulnerable modular inversion function * CVE-2020-12401: nss: ECDSA timing attack mitigation bypass * CVE-2020-12403: nss: CHACHA20-POLY1305 decryption with undersized tag leads to out-of-bounds read