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Red Hat Product Errata RHSA-2021:4932 - Security Advisory
Issued:
2021-12-06
Updated:
2021-12-06

RHSA-2021:4932 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Critical: nss security update

Type/Severity

Security Advisory: Critical

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for nss is now available for Red Hat Enterprise Linux 7.4 Advanced 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

  • Red Hat Enterprise Linux Server - AUS 7.4 x86_64

Fixes

  • BZ - 2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)

CVEs

  • CVE-2021-43527

References

  • https://access.redhat.com/security/updates/classification/#critical
  • https://access.redhat.com/security/vulnerabilities/RHSB-2021-008
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 7.4

SRPM
nss-3.28.4-18.el7_4.src.rpm SHA-256: 12d4cb9154b3e7bb38dae7bfa31170b8c2cc3f204dbedee96c802b29628c1787
x86_64
nss-3.28.4-18.el7_4.i686.rpm SHA-256: 2822ac249521804b60d1a8bb4b32040feb52104ab9df500ea8a3b2bbff40c5f9
nss-3.28.4-18.el7_4.x86_64.rpm SHA-256: 7b78e260e27d26818c1af3085f0a28d1c95ebbf34a589642f39203e154aa5451
nss-debuginfo-3.28.4-18.el7_4.i686.rpm SHA-256: 5b5027a819d168f76c4d005253f1cb609b0790a539540e95df6f45ce1a7a1139
nss-debuginfo-3.28.4-18.el7_4.i686.rpm SHA-256: 5b5027a819d168f76c4d005253f1cb609b0790a539540e95df6f45ce1a7a1139
nss-debuginfo-3.28.4-18.el7_4.x86_64.rpm SHA-256: 5485798813d447647c2aab13fd49ace889a07c332c87f080c7f70e6e53a5b0e6
nss-debuginfo-3.28.4-18.el7_4.x86_64.rpm SHA-256: 5485798813d447647c2aab13fd49ace889a07c332c87f080c7f70e6e53a5b0e6
nss-devel-3.28.4-18.el7_4.i686.rpm SHA-256: bbc69b4466bc19bffd3648322fa0a21d4219f7f2ea155f76032ff4356e7ce598
nss-devel-3.28.4-18.el7_4.x86_64.rpm SHA-256: e1385af2ed13021a8254c43b801040813409d90dddc31c6cd0abfa18ee486b7b
nss-pkcs11-devel-3.28.4-18.el7_4.i686.rpm SHA-256: 0718a2605a96a841dc38cb127ba7e6179b1140d9c8fa0d399e76d10ba4211d26
nss-pkcs11-devel-3.28.4-18.el7_4.x86_64.rpm SHA-256: 0aeb9981575c50897361cdeb78dd82adf182cae03e8807c7d15e27ebb163ffb8
nss-sysinit-3.28.4-18.el7_4.x86_64.rpm SHA-256: 8aa8b48c3c8fc5b44d3468ac25e76136f37e0b7143624af43af2b726795f276f
nss-tools-3.28.4-18.el7_4.x86_64.rpm SHA-256: 1fb2102d4684c9b754d057ea3980edd6d6d3ca6fdc923d1762d9a3913da9952a

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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