-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: nettle security update Advisory ID: RHSA-2021:1145-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1145 Issue date: 2021-04-08 CVE Names: CVE-2021-20305 ==================================================================== 1. Summary: An update for nettle is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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 Workstation (v. 7) - x86_64 3. Description: Nettle is a cryptographic library that is designed to fit easily in almost any context: In crypto toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like LSH or GNUPG, or even in kernel space. Security Fix(es): * nettle: Out of bounds memory access in signature verification (CVE-2021-20305) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1942533 - CVE-2021-20305 nettle: Out of bounds memory access in signature verification 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: nettle-2.7.1-9.el7_9.src.rpm x86_64: nettle-2.7.1-9.el7_9.i686.rpm nettle-2.7.1-9.el7_9.x86_64.rpm nettle-debuginfo-2.7.1-9.el7_9.i686.rpm nettle-debuginfo-2.7.1-9.el7_9.x86_64.rpm Red Hat Enterprise Linux Client Optional (v. 7): x86_64: nettle-debuginfo-2.7.1-9.el7_9.i686.rpm nettle-debuginfo-2.7.1-9.el7_9.x86_64.rpm nettle-devel-2.7.1-9.el7_9.i686.rpm nettle-devel-2.7.1-9.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: nettle-2.7.1-9.el7_9.src.rpm x86_64: nettle-2.7.1-9.el7_9.i686.rpm nettle-2.7.1-9.el7_9.x86_64.rpm nettle-debuginfo-2.7.1-9.el7_9.i686.rpm nettle-debuginfo-2.7.1-9.el7_9.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): x86_64: nettle-debuginfo-2.7.1-9.el7_9.i686.rpm nettle-debuginfo-2.7.1-9.el7_9.x86_64.rpm nettle-devel-2.7.1-9.el7_9.i686.rpm nettle-devel-2.7.1-9.el7_9.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: nettle-2.7.1-9.el7_9.src.rpm ppc64: nettle-2.7.1-9.el7_9.ppc.rpm nettle-2.7.1-9.el7_9.ppc64.rpm nettle-debuginfo-2.7.1-9.el7_9.ppc.rpm nettle-debuginfo-2.7.1-9.el7_9.ppc64.rpm nettle-devel-2.7.1-9.el7_9.ppc.rpm nettle-devel-2.7.1-9.el7_9.ppc64.rpm ppc64le: nettle-2.7.1-9.el7_9.ppc64le.rpm nettle-debuginfo-2.7.1-9.el7_9.ppc64le.rpm nettle-devel-2.7.1-9.el7_9.ppc64le.rpm s390x: nettle-2.7.1-9.el7_9.s390.rpm nettle-2.7.1-9.el7_9.s390x.rpm nettle-debuginfo-2.7.1-9.el7_9.s390.rpm nettle-debuginfo-2.7.1-9.el7_9.s390x.rpm nettle-devel-2.7.1-9.el7_9.s390.rpm nettle-devel-2.7.1-9.el7_9.s390x.rpm x86_64: nettle-2.7.1-9.el7_9.i686.rpm nettle-2.7.1-9.el7_9.x86_64.rpm nettle-debuginfo-2.7.1-9.el7_9.i686.rpm nettle-debuginfo-2.7.1-9.el7_9.x86_64.rpm nettle-devel-2.7.1-9.el7_9.i686.rpm nettle-devel-2.7.1-9.el7_9.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: nettle-2.7.1-9.el7_9.src.rpm x86_64: nettle-2.7.1-9.el7_9.i686.rpm nettle-2.7.1-9.el7_9.x86_64.rpm nettle-debuginfo-2.7.1-9.el7_9.i686.rpm nettle-debuginfo-2.7.1-9.el7_9.x86_64.rpm nettle-devel-2.7.1-9.el7_9.i686.rpm nettle-devel-2.7.1-9.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-2021-20305 https://access.redhat.com/security/updates/classification/#important 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 iQIVAwUBYG95btzjgjWX9erEAQg7lA/+M6tv/ZWfWP5ofeuuINZ3G3Ft7fEneqgw r56+VPivGUwsddeiRDZh1N7EWj16Y+qyovzNdK4z5Bu2vtNMLvYhMLT+Pq3WUEU1 3d9KxoZFFRKqCZVFXzRfCu1zOLCnbmXAPChc7pEI5IH087ArigxdV3ergEjOHaYM 8B+o6V1qD5crn8jpEl/EmkKQltpGfurBDTiH3Bv0by4d+j/6MBAdrWU4l1o3B37a CMbeF/GJngY0WP1Nlp5PNse72O7mpPYANfKWUUeDjYLfR8VtvQlH6cDJtJ+yjU97 vqPDfNbE4RMx4QMzjiIeKwRjNrcSaSyEOsdEavrexvXUfK2ZM8U3XkbcaenkMfNq dHPw8DRQLBsffQgCsO2okYv9dKe9uBGy2f1lEOrCkzvJTMq66ajPfMUfYlV758rj hqx4a3nre0s4WyztwysUV1dEEq+sNNU9DShGaUAq820xY5VnMGdzR0WoaIiDYXgD t9DvDzNuK9MSFl9tg6qQj6ph2b7OYEWWkqZftuIjb2dfQoeZ9KqZf3JFElAyKS/d ppr/ovDYgKoGHamwrxoWt/u2tyjGPiCRoF59oEaj1LN0c5Pd8a5mzqHR44hvU2nl wVEVRMfDVFD8c/f5FUwdgz7m3i3D+9j4izafIpUaJRr7yVBDxXXvRFAGe/30joms pEU5l7rZ6kg=Zg5b -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce