- Vulnerability/
- RHSA-2021:4907
RHSA-2021:4907: 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 | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-debuginfo | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-debuginfo | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-devel | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-devel | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-pkcs11-devel | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-pkcs11-devel | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-sysinit | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-tools | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-sysinit | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
| redhat/nss-tools | <3.44.0-12.el6_10 | 3.44.0-12.el6_10 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4907?
The severity of RHSA-2021:4907 is considered important due to the memory corruption vulnerability.
How do I fix RHSA-2021:4907?
To fix RHSA-2021:4907, update to the package version 3.44.0-12.el6_10.
What is the main issue addressed in RHSA-2021:4907?
RHSA-2021:4907 addresses a memory corruption in the decodeECorDsaSignature function used with DSA signatures and RSA-PSS.
Which packages are affected by RHSA-2021:4907?
Affected packages include nss, nss-debuginfo, nss-devel, nss-pkcs11-devel, nss-sysinit, and nss-tools.
Is there a workaround for RHSA-2021:4907?
There is no official workaround for RHSA-2021:4907; updating to the fixed version is recommended.
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