- Issued:
- 2021-12-01
- Updated:
- 2021-12-01
RHSA-2021:4907 - Critical: nss security update
Synopsis
Critical: nss security update
Type/Severity
Security Advisory Critical
Topic
An update for nss is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications.
Security Fix(es):
- nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527)
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.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
After installing this update, applications using NSS (for example, Firefox) must be restarted for this update to take effect.
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux Server | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Retired Extended Life Cycle Support | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension | 6 | i386 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) | 6 | s390x |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 6 | s390x |
Updated Packages
- nss-3.44.0-12.el6_10.i686.rpm
- nss-debuginfo-3.44.0-12.el6_10.i686.rpm
- nss-3.44.0-12.el6_10.x86_64.rpm
- nss-debuginfo-3.44.0-12.el6_10.s390x.rpm
- nss-pkcs11-devel-3.44.0-12.el6_10.i686.rpm
- nss-tools-3.44.0-12.el6_10.x86_64.rpm
- nss-sysinit-3.44.0-12.el6_10.i686.rpm
- nss-sysinit-3.44.0-12.el6_10.s390x.rpm
- nss-tools-3.44.0-12.el6_10.i686.rpm
- nss-pkcs11-devel-3.44.0-12.el6_10.x86_64.rpm
- nss-devel-3.44.0-12.el6_10.s390.rpm
- nss-debuginfo-3.44.0-12.el6_10.s390.rpm
- nss-devel-3.44.0-12.el6_10.s390x.rpm
- nss-pkcs11-devel-3.44.0-12.el6_10.s390.rpm
- nss-devel-3.44.0-12.el6_10.i686.rpm
- nss-3.44.0-12.el6_10.s390x.rpm
- nss-pkcs11-devel-3.44.0-12.el6_10.s390x.rpm
- nss-devel-3.44.0-12.el6_10.x86_64.rpm
- nss-debuginfo-3.44.0-12.el6_10.x86_64.rpm
- nss-3.44.0-12.el6_10.s390.rpm
- nss-sysinit-3.44.0-12.el6_10.x86_64.rpm
- nss-3.44.0-12.el6_10.src.rpm
- nss-tools-3.44.0-12.el6_10.s390x.rpm
Fixes
CVEs
References
- https://access.redhat.com/security/updates/classification/#critical
- This content is not included.This content is not included.https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.