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RHEL 8.6 RHSA-2023-4037 Important: bind9 Cache Size Issue

An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: bind9.16 security update Advisory ID: RHSA-2023:4037-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4037 Issue date: 2023-07-12 CVE Names: CVE-2023-2828 ==================================================================== 1. Summary: An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. 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 CodeReady Linux Builder EUS (v.8.6) - aarch64, noarch, ppc64le, s390x, x86_64 Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly. Security Fix(es): * bind: named's configured cache size limit can be significantly exceeded (CVE-2023-2828) 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 inthis advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2216227 - CVE-2023-2828 bind: named's configured cache size limit can be significantly exceeded 6. Package List: Red Hat Enterprise Linux AppStream EUS(v.8.6): Source: bind9.16-9.16.23-0.7.el8_6.2.src.rpm aarch64: bind9.16-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-chroot-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-libs-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-utils-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm noarch: bind9.16-license-9.16.23-0.7.el8_6.2.noarch.rpm ppc64le: bind9.16-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-chroot-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-libs-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-utils-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm s390x: bind9.16-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-chroot-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-libs-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-utils-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm x86_64: bind9.16-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-chroot-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-libs-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-utils-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm Red Hat CodeReady Linux Builder EUS(v.8.6): aarch64: bind9.16-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-devel-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-dnssec-utils-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.aarch64.rpm noarch: bind9.16-doc-9.16.23-0.7.el8_6.2.noarch.rpm python3-bind9.16-9.16.23-0.7.el8_6.2.noarch.rpm ppc64le: bind9.16-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-devel-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-dnssec-utils-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.ppc64le.rpm s390x: bind9.16-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-devel-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-dnssec-utils-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.s390x.rpm x86_64: bind9.16-debuginfo-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-debugsource-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-devel-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-devel-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-dnssec-utils-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-dnssec-utils-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-libs-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-libs-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.i686.rpm bind9.16-utils-debuginfo-9.16.23-0.7.el8_6.2.x86_64.rpm These packages are GPG signed by RedHat 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-2023-2828 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 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJkrqznAAoJENzjgjWX9erEw/8P/0zS6p5Tgv+K8x/IVas9/mL6 uYxNhhA1Orqih9soIlRA9pbmt5CDR7bx/7P2HmiVabxkU9C6gYt1ThnrYapyK4je 3YitOGzydReDKxycxBWOhMSVRmNgJRiSNpr+NF6jQgmQA12D5m4iKWKEz9tTtxup VcZ7DfviU8i7r84oHZstXa/W1t3hzDleT+JbSG5ca8aKNMaEPi0BPlEdpD2zSXi1 U5685W2LifcU/zEogOi1/rRXvT9BBXW9w3XpL2WmRcmPbxkXhoY417e1z4qflEzf Hv+7aYu9r8c+G2Cd4P3RH7Ll+WtqQnmB+dAzYMrXQMUCKBG2kIs08ZLBvnWDs8g9 SQ5+f+bg1GmwPqKNlR6mn5aSILohYBZj9qDNfJ6TKtEJ7hTnJdNXcKyOz8UyEfI2 J5m2I8jqZ3sMvqTePb5GtD+Uy2/mQdqhFbdjp0t5K7hs/Zod4ns0LKKu0mV5zy5q GUt3h1njSQGiUpINPSIn8X0lOXN+fVRMP3YtACDZh3MIsBN9fdKjNH2QWuUeur3K 6a4C4P4PPSNqAwdtdrgRl0KUcjUPoPZuvcB4eVxk8fr4iikLoQXSg/V/uymSbj8p 0pgB3NrrNac8OxaqzlGzOquqpZa6tF3iFMmqpOBb9fD5AIyYSroLc0qS6znOwhux mduxW862FXmrmApN7Tn1 =7UCA -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Red Hat has put out a significant security patch for bind9.16 that tackles a serious cache size vulnerability in RHEL 8.6.. bind9 security update, Red Hat advisory, DNS vulnerabilities, Important updates for Linux. . Severity: Important. LinuxSecurity.com Team

Jul 12, 2023 •Important Red Hat