-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: nss security update Advisory ID: RHSA-2021:4946-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4946 Issue date: 2021-12-06 CVE Names: CVE-2021-43527 ==================================================================== 1. Summary: An update for nss is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions. 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 Server AUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.7) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.7) - 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 Server AUS (v. 7.7): Source: nss-3.44.0-8.el7_7.src.rpm x86_64: nss-3.44.0-8.el7_7.i686.rpm nss-3.44.0-8.el7_7.x86_64.rpm nss-debuginfo-3.44.0-8.el7_7.i686.rpm nss-debuginfo-3.44.0-8.el7_7.x86_64.rpm nss-devel-3.44.0-8.el7_7.i686.rpm nss-devel-3.44.0-8.el7_7.x86_64.rpm nss-sysinit-3.44.0-8.el7_7.x86_64.rpm nss-tools-3.44.0-8.el7_7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.7): Source: nss-3.44.0-8.el7_7.src.rpm ppc64le: nss-3.44.0-8.el7_7.ppc64le.rpm nss-debuginfo-3.44.0-8.el7_7.ppc64le.rpm nss-devel-3.44.0-8.el7_7.ppc64le.rpm nss-sysinit-3.44.0-8.el7_7.ppc64le.rpm nss-tools-3.44.0-8.el7_7.ppc64le.rpm x86_64: nss-3.44.0-8.el7_7.i686.rpm nss-3.44.0-8.el7_7.x86_64.rpm nss-debuginfo-3.44.0-8.el7_7.i686.rpm nss-debuginfo-3.44.0-8.el7_7.x86_64.rpm nss-devel-3.44.0-8.el7_7.i686.rpm nss-devel-3.44.0-8.el7_7.x86_64.rpm nss-sysinit-3.44.0-8.el7_7.x86_64.rpm nss-tools-3.44.0-8.el7_7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.7): Source: nss-3.44.0-8.el7_7.src.rpm x86_64: nss-3.44.0-8.el7_7.i686.rpm nss-3.44.0-8.el7_7.x86_64.rpm nss-debuginfo-3.44.0-8.el7_7.i686.rpm nss-debuginfo-3.44.0-8.el7_7.x86_64.rpm nss-devel-3.44.0-8.el7_7.i686.rpm nss-devel-3.44.0-8.el7_7.x86_64.rpm nss-sysinit-3.44.0-8.el7_7.x86_64.rpm nss-tools-3.44.0-8.el7_7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.7): x86_64: nss-debuginfo-3.44.0-8.el7_7.i686.rpm nss-debuginfo-3.44.0-8.el7_7.x86_64.rpm nss-pkcs11-devel-3.44.0-8.el7_7.i686.rpm nss-pkcs11-devel-3.44.0-8.el7_7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): ppc64le: nss-debuginfo-3.44.0-8.el7_7.ppc64le.rpm nss-pkcs11-devel-3.44.0-8.el7_7.ppc64le.rpm x86_64: nss-debuginfo-3.44.0-8.el7_7.i686.rpm nss-debuginfo-3.44.0-8.el7_7.x86_64.rpm nss-pkcs11-devel-3.44.0-8.el7_7.i686.rpm nss-pkcs11-devel-3.44.0-8.el7_7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.7): x86_64: nss-debuginfo-3.44.0-8.el7_7.i686.rpm nss-debuginfo-3.44.0-8.el7_7.x86_64.rpm nss-pkcs11-devel-3.44.0-8.el7_7.i686.rpm nss-pkcs11-devel-3.44.0-8.el7_7.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/updates/classification/#critical https://access.redhat.com/security/vulnerabilities/RHSB-2021-008 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 iQIVAwUBYa4o29zjgjWX9erEAQhBJQ/+OIlsXhQN1hjfSb0U86uHrWB7wYaxn5XB gL5qZaC8TLpegr5sQps4uJPEe2inr88dwDF5DAL3EFIskcxypGpQhfEB1ljXz5xi GEH9fbA7GRPPasZKLQTbuXt/X1tlN0AXksgfPY07I1UwFyofaJhqmtI1tm7uX8EL KIMB6GL2vPyBVl7ANzC2FztTiKK3rcYDq2kcryC9FdkODS5Qzhj10Q7ECYyUjVLP BMcOGbBYAT+N0whbNBkp7LmEIgL5PT/lTrWrf7rz4JIm+UfCdPz94xY3LqAelBLU eNrZ/hVNR/Yrnqob4xOE924Tj5Im3H9vpbIxL8jhz/f30bECKhuO6LNVGW8yXYRV 0w2Iqhjd50Kr6SUKOBihliy0UoBi3PB9vMZdCICBIiIT3PVZubPg/7gBHvtvoRYb LwsHaQh9PyUM7pKlnquW26Z1nwD9A0q8dPtL5rSi+xMS7dQZatCtv4efaIyz2/m5 CMS3BnDQvITshBnDeoEmX/b8JCbP9/mQTF/eUz0U30k03/tG/t5syHAjnyOVK+Qi Tfjb820WfEq2uzd7sD7AL4aLj5MV7W6kGV0G7yMuMen2SuEu06v6zOCy7TonuaDL c6xqVCXDYpGqT7bJ1WrRztiWLaffeMPgLpkLUJPNVLiUJuXmLrnGHklS4tvi6KjE PATIWMptEeg=tE74 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce