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OpenAdvisories
High RHSA-2020:4500 4 CVEs

Red Hat Security Advisory: bind security, bug fix, and enhancement update

Published Sep 16, 2024 · Updated Sep 2, 2026

Ecosystem: Red Hat

Fixed packages 38

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream bind 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-chroot 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-debugsource 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-devel 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-export-libs-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs-lite 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-libs-lite-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-license 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-lite-devel 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-devel 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-libs 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-libs-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-utils 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-pkcs11-utils-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-sdb 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-sdb-chroot 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-sdb-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-utils 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream bind-utils-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream python3-bind 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-debugsource 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-export-devel 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-export-libs 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-export-libs-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-libs-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-libs-lite-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-pkcs11-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-pkcs11-libs-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-pkcs11-utils-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-sdb-debuginfo 32:9.11.20-5.el8
Red Hat · RHEL 8 enterprise_linux:8::baseos bind-utils-debuginfo 32:9.11.20-5.el8

Vulnerabilities 4

  • High 7.5
    CVE-2020-8623

    A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c

    In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulner…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine
  • Medium 6.5
    CVE-2020-8622

    A truncated TSIG response can lead to an assertion failure

    In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, co…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine
  • Medium 4.9
    CVE-2020-8619

    A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

    In ISC BIND9 versions BIND 9.11.14 -> 9.11.19, BIND 9.14.9 -> 9.14.12, BIND 9.16.0 -> 9.16.3, BIND Supported Preview Edition 9.11.14-S1 -> 9.11.19-S1: Unless a nameserver is providing authoritative service for one or more zones and at least one zone contains …

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine
  • Medium 4.3
    CVE-2020-8624

    update-policy rules of type "subdomain" are enforced incorrectly

    In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a sp…

    ISC BIND9 bind9 bind9 Debian Ubuntu Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • article
    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/index
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1693395
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1749505
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1814158
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1817870
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1847244
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1848169
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1859454
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1869473
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1869477
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1869480
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4500.json
  • report
    https://access.redhat.com/security/cve/CVE-2020-8619
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-8619
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-8619
  • article
    https://kb.isc.org/docs/cve-2020-8619
  • report
    https://access.redhat.com/security/cve/CVE-2020-8622
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-8622
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-8622
  • article
    https://kb.isc.org/docs/cve-2020-8622
  • report
    https://access.redhat.com/security/cve/CVE-2020-8623
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-8623
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-8623
  • article
    https://kb.isc.org/docs/cve-2020-8623
  • report
    https://access.redhat.com/security/cve/CVE-2020-8624
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-8624
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-8624
  • article
    https://kb.isc.org/docs/cve-2020-8624