-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: nss security update Advisory ID: RHSA-2021:4904-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4904 Issue date: 2021-12-01 CVE Names: CVE-2021-43527 ==================================================================== 1. Summary: An update for nss is now available for Red Hat Enterprise Linux 7. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. 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. 4. 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. 5. Bugs fixed (https://bugzilla.redhat.com/): 2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: nss-3.67.0-4.el7_9.src.rpm x86_64: nss-3.67.0-4.el7_9.i686.rpm nss-3.67.0-4.el7_9.x86_64.rpm nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-sysinit-3.67.0-4.el7_9.x86_64.rpm nss-tools-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-devel-3.67.0-4.el7_9.i686.rpm nss-devel-3.67.0-4.el7_9.x86_64.rpm nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: nss-3.67.0-4.el7_9.src.rpm x86_64: nss-3.67.0-4.el7_9.i686.rpm nss-3.67.0-4.el7_9.x86_64.rpm nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-sysinit-3.67.0-4.el7_9.x86_64.rpm nss-tools-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-devel-3.67.0-4.el7_9.i686.rpm nss-devel-3.67.0-4.el7_9.x86_64.rpm nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: nss-3.67.0-4.el7_9.src.rpm ppc64: nss-3.67.0-4.el7_9.ppc.rpm nss-3.67.0-4.el7_9.ppc64.rpm nss-debuginfo-3.67.0-4.el7_9.ppc.rpm nss-debuginfo-3.67.0-4.el7_9.ppc64.rpm nss-devel-3.67.0-4.el7_9.ppc.rpm nss-devel-3.67.0-4.el7_9.ppc64.rpm nss-sysinit-3.67.0-4.el7_9.ppc64.rpm nss-tools-3.67.0-4.el7_9.ppc64.rpm ppc64le: nss-3.67.0-4.el7_9.ppc64le.rpm nss-debuginfo-3.67.0-4.el7_9.ppc64le.rpm nss-devel-3.67.0-4.el7_9.ppc64le.rpm nss-sysinit-3.67.0-4.el7_9.ppc64le.rpm nss-tools-3.67.0-4.el7_9.ppc64le.rpm s390x: nss-3.67.0-4.el7_9.s390.rpm nss-3.67.0-4.el7_9.s390x.rpm nss-debuginfo-3.67.0-4.el7_9.s390.rpm nss-debuginfo-3.67.0-4.el7_9.s390x.rpm nss-devel-3.67.0-4.el7_9.s390.rpm nss-devel-3.67.0-4.el7_9.s390x.rpm nss-sysinit-3.67.0-4.el7_9.s390x.rpm nss-tools-3.67.0-4.el7_9.s390x.rpm x86_64: nss-3.67.0-4.el7_9.i686.rpm nss-3.67.0-4.el7_9.x86_64.rpm nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-devel-3.67.0-4.el7_9.i686.rpm nss-devel-3.67.0-4.el7_9.x86_64.rpm nss-sysinit-3.67.0-4.el7_9.x86_64.rpm nss-tools-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: nss-debuginfo-3.67.0-4.el7_9.ppc.rpm nss-debuginfo-3.67.0-4.el7_9.ppc64.rpm nss-pkcs11-devel-3.67.0-4.el7_9.ppc.rpm nss-pkcs11-devel-3.67.0-4.el7_9.ppc64.rpm ppc64le: nss-debuginfo-3.67.0-4.el7_9.ppc64le.rpm nss-pkcs11-devel-3.67.0-4.el7_9.ppc64le.rpm s390x: nss-debuginfo-3.67.0-4.el7_9.s390.rpm nss-debuginfo-3.67.0-4.el7_9.s390x.rpm nss-pkcs11-devel-3.67.0-4.el7_9.s390.rpm nss-pkcs11-devel-3.67.0-4.el7_9.s390x.rpm x86_64: nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: nss-3.67.0-4.el7_9.src.rpm x86_64: nss-3.67.0-4.el7_9.i686.rpm nss-3.67.0-4.el7_9.x86_64.rpm nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-devel-3.67.0-4.el7_9.i686.rpm nss-devel-3.67.0-4.el7_9.x86_64.rpm nss-sysinit-3.67.0-4.el7_9.x86_64.rpm nss-tools-3.67.0-4.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: nss-debuginfo-3.67.0-4.el7_9.i686.rpm nss-debuginfo-3.67.0-4.el7_9.x86_64.rpm nss-pkcs11-devel-3.67.0-4.el7_9.i686.rpm nss-pkcs11-devel-3.67.0-4.el7_9.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-43527 https://access.redhat.com/security/vulnerabilities/RHSB-2021-008 https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYafeD9zjgjWX9erEAQiTnA//ZzrQXg9M9e80z+sY2Fsxjeh9O3JBNqkD f/S8RQBrZNmUjd3utk6AU4l64xFmjLVdWIXPCy0gr8QDyFpN4j7A5uBX2geO4x6R EJE0/UK1obiy/gV+cGLwog5vz9rBMUmxSakDlYWeICWSkdw4nEBuwZwhsQgZfSHn 8GGyK8zry7VB+0QvFDENnvC/ZyxCQ/e/per3KDHIdzcRMSmvwwtUNGdXQojbOD2N RQvKe5WQxUl2x4QKzuA8cqsa4xwTQMlEMQ1AJvHyMcKqb/vWOebOPCMzn2Cyy9aN BbUl6abyTF1uT+OCqs9LUC2egg5K4rAlyW0W69ModytcOX/Z/HQJHr58cijFdL1/ q9d2q1uNkwcXXHq0yCpmGexSfGnlM05iwjCk7+k3pCfC4KHRTuC1d4m440jSL+q9 yGpqk5vQ3EaW/hRWvt8C5HzLphVvVZeXqGepVG3aUco71BN03u8NRLFgQ1BajC5B 5nQfPzpSZ1r5nGhOEiUB93AfXRUlp+67PnWGvT6xwFsbodnRNdGkbub5tSw8ZJz5 /Wd5aIkLnw7au6MWO7d02k/rehvMf7hQNz9t6KmaA3csX8o0bKNK/2gcqtcT/ZR7 v7iErz06RFusPHFVjNUySa3W2vH1BztOS7LRrwwrFBjSBu0jph6vrskq2QBwXrjl bfShDeJ/EL0=wzB5 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce