-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Critical: nss security update Advisory ID: RHSA-2021:4933-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4933 Issue date: 2021-12-06 CVE Names: CVE-2021-43527 ==================================================================== 1. Summary: An update for nss is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 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. 7.6) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.6) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.6) - 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. 7.6): Source: nss-3.36.0-10.2.el7_6.src.rpm x86_64: nss-3.36.0-10.2.el7_6.i686.rpm nss-3.36.0-10.2.el7_6.x86_64.rpm nss-debuginfo-3.36.0-10.2.el7_6.i686.rpm nss-debuginfo-3.36.0-10.2.el7_6.x86_64.rpm nss-devel-3.36.0-10.2.el7_6.i686.rpm nss-devel-3.36.0-10.2.el7_6.x86_64.rpm nss-sysinit-3.36.0-10.2.el7_6.x86_64.rpm nss-tools-3.36.0-10.2.el7_6.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.6): Source: nss-3.36.0-10.2.el7_6.src.rpm ppc64le: nss-3.36.0-10.2.el7_6.ppc64le.rpm nss-debuginfo-3.36.0-10.2.el7_6.ppc64le.rpm nss-devel-3.36.0-10.2.el7_6.ppc64le.rpm nss-sysinit-3.36.0-10.2.el7_6.ppc64le.rpm nss-tools-3.36.0-10.2.el7_6.ppc64le.rpm x86_64: nss-3.36.0-10.2.el7_6.i686.rpm nss-3.36.0-10.2.el7_6.x86_64.rpm nss-debuginfo-3.36.0-10.2.el7_6.i686.rpm nss-debuginfo-3.36.0-10.2.el7_6.x86_64.rpm nss-devel-3.36.0-10.2.el7_6.i686.rpm nss-devel-3.36.0-10.2.el7_6.x86_64.rpm nss-sysinit-3.36.0-10.2.el7_6.x86_64.rpm nss-tools-3.36.0-10.2.el7_6.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.6): Source: nss-3.36.0-10.2.el7_6.src.rpm x86_64: nss-3.36.0-10.2.el7_6.i686.rpm nss-3.36.0-10.2.el7_6.x86_64.rpm nss-debuginfo-3.36.0-10.2.el7_6.i686.rpm nss-debuginfo-3.36.0-10.2.el7_6.x86_64.rpm nss-devel-3.36.0-10.2.el7_6.i686.rpm nss-devel-3.36.0-10.2.el7_6.x86_64.rpm nss-sysinit-3.36.0-10.2.el7_6.x86_64.rpm nss-tools-3.36.0-10.2.el7_6.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.6): x86_64: nss-debuginfo-3.36.0-10.2.el7_6.i686.rpm nss-debuginfo-3.36.0-10.2.el7_6.x86_64.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.i686.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): ppc64le: nss-debuginfo-3.36.0-10.2.el7_6.ppc64le.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.ppc64le.rpm x86_64: nss-debuginfo-3.36.0-10.2.el7_6.i686.rpm nss-debuginfo-3.36.0-10.2.el7_6.x86_64.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.i686.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.6): x86_64: nss-debuginfo-3.36.0-10.2.el7_6.i686.rpm nss-debuginfo-3.36.0-10.2.el7_6.x86_64.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.i686.rpm nss-pkcs11-devel-3.36.0-10.2.el7_6.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 iQIVAwUBYa4yNdzjgjWX9erEAQgLBw/+JXlHYGB8C7OGIG/W7w4hld3Ols6UbvV9 xa4RxCh3DvRRi6NZnIeFkFJ6S5BoLerm1s9koYZ1gStnIoWACdUuQREeak4mwHfJ sjc/Yi0rrrjIV9hjn/NzQXn2SBHIWeZqQcCqNyqAqMJ1+DnMUSKzejhsBf8Y+4GM fyxxM3vXsEsblWv4z8cRAp+yV+SF3UtEECOq5Cjpr/iG68uNc+JHKgcJvPK3Dt7H ICsrzQA9Gxg0bXBPhxg/skPMwvfj2OSR99ABlq4XoTzBQvG6rEBmfxn+ukOQEeE+ AECP+r7XRfP+R7iWQ+HrUjM1S+HYXj40XaPKvV8EipDohLsAUErF5iTMajrqlFZE VUeIwcuQWB27gIjbE/WafDyvma9cU/+udP7PvWsg/R5aM6qZTRzLRiMl8IigQA0G VNjkz0BDfrzabw/dr7oy8W/sYgeAQoWS6LTeTpyNGPcRhzz6je0nyc1T6obSioYQ 2sbA+IWmUVbx0+w2dZhnj5psY5TTF+6B2/IG+pABPqt9Axy+B1Kr1JXKiD5gAZoA XT/SXT8szRmxiheG0kfvNK01tA0/NM6VuUrIxsyk+nHWfDgs0V2c3vQ1Oy+pARbV LrOWikg+0tRxI9UgUNa52Beb1uVTV+TdpdWOHBD9L+kliWuYnprjK0F2KIo5EQmS w3zFywdm3qE=LMBt -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce