vulnerability
Rocky Linux: CVE-2020-12403: nss (RLSA-2021-0538)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:N/A:P) | May 27, 2021 | Mar 12, 2024 | Aug 13, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Published
May 27, 2021
Added
Mar 12, 2024
Modified
Aug 13, 2025
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.
Solutions
rocky-upgrade-nssrocky-upgrade-nss-debuginforocky-upgrade-nss-debugsourcerocky-upgrade-nss-develrocky-upgrade-nss-softoknrocky-upgrade-nss-softokn-debuginforocky-upgrade-nss-softokn-develrocky-upgrade-nss-softokn-freeblrocky-upgrade-nss-softokn-freebl-debuginforocky-upgrade-nss-softokn-freebl-develrocky-upgrade-nss-sysinitrocky-upgrade-nss-sysinit-debuginforocky-upgrade-nss-toolsrocky-upgrade-nss-tools-debuginforocky-upgrade-nss-utilrocky-upgrade-nss-util-debuginforocky-upgrade-nss-util-devel
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.