- Vulnerability/
- RHSA-2021:4909
RHSA-2021:4909: Critical: nss security update
First published: Thu Dec 02 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 | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-debugsource | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-debugsource | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-sysinit | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-tools | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-sysinit | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-tools | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-debugsource | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-sysinit | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-tools | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss-util-devel | <3.67.0-7.el8_4 | 3.67.0-7.el8_4 |
| redhat/nss | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-debuginfo | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-debugsource | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-devel | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-softokn | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-softokn-debuginfo | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-softokn-devel | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-softokn-freebl | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-softokn-freebl-debuginfo | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-softokn-freebl-devel | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-sysinit | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-sysinit-debuginfo | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-tools | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-tools-debuginfo | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-util | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-util-debuginfo | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
| redhat/nss-util-devel | <3.67.0-7.el8_4.aa | 3.67.0-7.el8_4.aa |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4909?
The severity of RHSA-2021:4909 is classified as critical due to the memory corruption vulnerability in Network Security Services.
How do I fix RHSA-2021:4909?
To fix RHSA-2021:4909, update to the packages nss and related components to version 3.67.0-7.el8_4 or later.
What is the impact of RHSA-2021:4909?
The impact of RHSA-2021:4909 includes potential memory corruption that could allow an attacker to execute arbitrary code.
Which software versions are affected by RHSA-2021:4909?
Software versions affected by RHSA-2021:4909 include nss prior to version 3.67.0-7.el8_4.
Is there a workaround for RHSA-2021:4909?
There are no known workarounds for RHSA-2021:4909; upgrading to the patched version is recommended.
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