- Vulnerability/
- RHSA-2021:4932
RHSA-2021:4932: Critical: nss security update
First published: Mon Dec 06 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 | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-debuginfo | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-debuginfo | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-devel | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-devel | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-pkcs11-devel | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-pkcs11-devel | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-sysinit | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
| redhat/nss-tools | <3.28.4-18.el7_4 | 3.28.4-18.el7_4 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4932?
RHSA-2021:4932 is classified as a critical security vulnerability.
How do I fix RHSA-2021:4932?
You can fix RHSA-2021:4932 by updating the Network Security Services (NSS) package to version 3.28.4-18.el7_4.
Which packages are affected by RHSA-2021:4932?
The affected packages include nss, nss-debuginfo, nss-devel, nss-pkcs11-devel, nss-sysinit, and nss-tools.
What is the nature of the vulnerability in RHSA-2021:4932?
The vulnerability in RHSA-2021:4932 involves memory corruption in the decodeECorDsaSignature function with DSA signatures and RSA-PSS.
Is RHSA-2021:4932 related to any specific platforms?
Yes, RHSA-2021:4932 specifically affects Red Hat Enterprise Linux 7.
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