- Vulnerability/
- RHSA-2021:4904
RHSA-2021:4904: 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 | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-debuginfo | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-debuginfo | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-devel | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-devel | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-pkcs11-devel | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-pkcs11-devel | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-sysinit | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-tools | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-sysinit | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-tools | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-debuginfo | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-devel | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-pkcs11-devel | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-sysinit | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
| redhat/nss-tools | <3.67.0-4.el7_9 | 3.67.0-4.el7_9 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4904?
The severity of RHSA-2021:4904 is classified as important.
How do I fix RHSA-2021:4904?
To fix RHSA-2021:4904, update the Network Security Services (NSS) package to version 3.67.0-4.el7_9 or later.
What vulnerability is addressed in RHSA-2021:4904?
RHSA-2021:4904 addresses a memory corruption vulnerability in the decodeECorDsaSignature function related to DSA signatures.
Which software is affected by RHSA-2021:4904?
RHSA-2021:4904 affects various packages including nss, nss-debuginfo, nss-devel, and others from Red Hat.
Is there a specific update version recommended for RHSA-2021:4904?
Yes, the recommended update version for resolving RHSA-2021:4904 is 3.67.0-4.el7_9.
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