RHSA-2021:4994: Critical: nss security update

Published Dec 7, 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

10 affected componentsFixes available
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

Remediation

Event History

Apr 13, 2024
Advisory Published
via Red Hat·01:11 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2021:4994?

The severity of RHSA-2021:4994 is categorized as moderate.

2

How do I fix RHSA-2021:4994?

To fix RHSA-2021:4994, update the NSS package to version 3.28.4-2.el7_3.

3

What vulnerabilities are addressed by RHSA-2021:4994?

RHSA-2021:4994 addresses a memory corruption issue in decodeECorDsaSignature with DSA signatures.

4

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.

5

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.

Contact

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