Issued:

2021-12-02

Updated:

2021-12-02

RHSA-2021:4909 - 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 8.4 Extended Update 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

Updated Packages

• nss-softokn-freebl-devel-3.67.0-7.el8_4.aarch64.rpm
• nss-util-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-3.67.0-7.el8_4.aarch64.rpm
• nss-softokn-freebl-devel-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-freebl-3.67.0-7.el8_4.x86_64.rpm
• nss-softokn-freebl-debuginfo-3.67.0-7.el8_4.i686.rpm
• nss-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-freebl-devel-3.67.0-7.el8_4.x86_64.rpm
• nss-sysinit-debuginfo-3.67.0-7.el8_4.s390x.rpm
• nss-tools-3.67.0-7.el8_4.aarch64.rpm
• nss-debugsource-3.67.0-7.el8_4.aarch64.rpm
• nss-tools-3.67.0-7.el8_4.x86_64.rpm
• nss-tools-3.67.0-7.el8_4.ppc64le.rpm
• nss-util-3.67.0-7.el8_4.i686.rpm
• nss-devel-3.67.0-7.el8_4.aarch64.rpm
• nss-debugsource-3.67.0-7.el8_4.x86_64.rpm
• nss-util-devel-3.67.0-7.el8_4.i686.rpm
• nss-debugsource-3.67.0-7.el8_4.i686.rpm
• nss-tools-debuginfo-3.67.0-7.el8_4.aarch64.rpm
• nss-sysinit-3.67.0-7.el8_4.s390x.rpm
• nss-util-devel-3.67.0-7.el8_4.x86_64.rpm
• nss-tools-debuginfo-3.67.0-7.el8_4.x86_64.rpm
• nss-util-debuginfo-3.67.0-7.el8_4.i686.rpm
• nss-softokn-debuginfo-3.67.0-7.el8_4.s390x.rpm
• nss-3.67.0-7.el8_4.src.rpm
• nss-softokn-debuginfo-3.67.0-7.el8_4.aarch64.rpm
• nss-tools-debuginfo-3.67.0-7.el8_4.ppc64le.rpm
• nss-debuginfo-3.67.0-7.el8_4.x86_64.rpm
• nss-util-devel-3.67.0-7.el8_4.s390x.rpm
• nss-util-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-devel-3.67.0-7.el8_4.i686.rpm
• nss-softokn-debuginfo-3.67.0-7.el8_4.i686.rpm
• nss-sysinit-debuginfo-3.67.0-7.el8_4.x86_64.rpm
• nss-devel-3.67.0-7.el8_4.i686.rpm
• nss-debugsource-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-freebl-3.67.0-7.el8_4.i686.rpm
• nss-util-debuginfo-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-3.67.0-7.el8_4.x86_64.rpm
• nss-debuginfo-3.67.0-7.el8_4.i686.rpm
• nss-debuginfo-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-freebl-debuginfo-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-3.67.0-7.el8_4.ppc64le.rpm
• nss-debugsource-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-freebl-debuginfo-3.67.0-7.el8_4.x86_64.rpm
• nss-devel-3.67.0-7.el8_4.x86_64.rpm
• nss-devel-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-freebl-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-freebl-debuginfo-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-3.67.0-7.el8_4.i686.rpm
• nss-sysinit-3.67.0-7.el8_4.ppc64le.rpm
• nss-debuginfo-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-devel-3.67.0-7.el8_4.ppc64le.rpm
• nss-sysinit-debuginfo-3.67.0-7.el8_4.i686.rpm
• nss-softokn-devel-3.67.0-7.el8_4.aarch64.rpm
• nss-softokn-freebl-devel-3.67.0-7.el8_4.i686.rpm
• nss-util-devel-3.67.0-7.el8_4.ppc64le.rpm
• nss-debuginfo-3.67.0-7.el8_4.aarch64.rpm
• nss-softokn-freebl-3.67.0-7.el8_4.aarch64.rpm
• nss-sysinit-3.67.0-7.el8_4.aarch64.rpm
• nss-softokn-devel-3.67.0-7.el8_4.s390x.rpm
• nss-3.67.0-7.el8_4.x86_64.rpm
• nss-softokn-devel-3.67.0-7.el8_4.x86_64.rpm
• nss-softokn-3.67.0-7.el8_4.s390x.rpm
• nss-devel-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-debuginfo-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-debuginfo-3.67.0-7.el8_4.x86_64.rpm
• nss-tools-debuginfo-3.67.0-7.el8_4.s390x.rpm
• nss-util-3.67.0-7.el8_4.x86_64.rpm
• nss-3.67.0-7.el8_4.aarch64.rpm
• nss-3.67.0-7.el8_4.s390x.rpm
• nss-softokn-freebl-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-freebl-devel-3.67.0-7.el8_4.ppc64le.rpm
• nss-softokn-freebl-debuginfo-3.67.0-7.el8_4.aarch64.rpm
• nss-tools-debuginfo-3.67.0-7.el8_4.i686.rpm
• nss-util-debuginfo-3.67.0-7.el8_4.aarch64.rpm
• nss-util-debuginfo-3.67.0-7.el8_4.s390x.rpm
• nss-tools-3.67.0-7.el8_4.s390x.rpm
• nss-3.67.0-7.el8_4.i686.rpm
• nss-util-debuginfo-3.67.0-7.el8_4.x86_64.rpm
• nss-sysinit-3.67.0-7.el8_4.x86_64.rpm
• nss-sysinit-debuginfo-3.67.0-7.el8_4.aarch64.rpm
• nss-sysinit-debuginfo-3.67.0-7.el8_4.ppc64le.rpm
• nss-util-3.67.0-7.el8_4.aarch64.rpm
• nss-util-devel-3.67.0-7.el8_4.aarch64.rpm

Fixes

• This content is not included.BZ - 2024370

CVEs

• CVE-2021-43527

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.