- Vulnerability/
- RHSA-2021:4994
RHSA-2021:4994: Critical: nss security update
First published: Tue Dec 07 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 | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-debuginfo | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-debuginfo | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-devel | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-devel | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-pkcs11-devel | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-pkcs11-devel | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-sysinit | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
| redhat/nss-tools | <3.28.4-2.el7_3 | 3.28.4-2.el7_3 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4994?
The severity of RHSA-2021:4994 is categorized as moderate.
How do I fix RHSA-2021:4994?
To fix RHSA-2021:4994, update the NSS package to version 3.28.4-2.el7_3.
What vulnerabilities are addressed by RHSA-2021:4994?
RHSA-2021:4994 addresses a memory corruption issue in decodeECorDsaSignature with DSA signatures.
Which software packages are affected by RHSA-2021:4994?
The affected packages for RHSA-2021:4994 include nss, nss-debuginfo, nss-devel, and nss-tools.
Is RHSA-2021:4994 applicable to all systems running NSS?
RHSA-2021:4994 is specifically applicable to systems running the affected version of NSS on Red Hat Enterprise Linux 7.
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