- Vulnerability/
- RHSA-2021:4903
RHSA-2021:4903: Critical: nss security update
First published: Wed Dec 01 2021(Updated: )
Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.<br>Security Fix(es):<br><li> nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/nss | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-debugsource | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-debugsource | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-sysinit | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-tools | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-sysinit | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-tools | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-debugsource | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-sysinit | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-tools | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss-util-devel | <3.67.0-7.el8_5 | 3.67.0-7.el8_5 |
| redhat/nss | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-debuginfo | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-debugsource | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-devel | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-softokn | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-softokn-devel | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-sysinit | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-tools | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-util | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
| redhat/nss-util-devel | <3.67.0-7.el8_5.aa | 3.67.0-7.el8_5.aa |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4903?
The severity of RHSA-2021:4903 is classified as important.
How do I fix RHSA-2021:4903?
To fix RHSA-2021:4903, upgrade the NSS package to version 3.67.0-7.el8_5 or later.
What vulnerability does RHSA-2021:4903 address?
RHSA-2021:4903 addresses a memory corruption vulnerability in the Network Security Services library.
What systems are affected by RHSA-2021:4903?
RHSA-2021:4903 affects systems using the NSS library versions prior to 3.67.0-7.el8_5.
Is there a need for a reboot after applying RHSA-2021:4903?
A reboot may be necessary after applying RHSA-2021:4903 to ensure that all services are using the updated library.
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