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OpenAdvisories
High RHSA-2025:19912 3 CVEs

Red Hat Security Advisory: bind security update

Published Nov 7, 2025 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 13

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.0 bind 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-chroot 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-debuginfo 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-debugsource 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-devel 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-dnssec-utils 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-dnssec-utils-debuginfo 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-doc 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-libs 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-libs-debuginfo 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-license 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-utils 32:9.18.33-4.el10_0.2
Red Hat · RHEL 10 enterprise_linux:10.0 bind-utils-debuginfo 32:9.18.33-4.el10_0.2

Vulnerabilities 3

  • High 8.6
    CVE-2025-40778 Public exploit

    Cache poisoning attacks with unsolicited RRs

    Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 …

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi
  • High 8.6
    CVE-2025-40780

    Cache poisoning due to weak PRNG

    In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 through 9.16.50, 9.18.…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.5
    CVE-2025-8677 EPSS 11%

    Resource exhaustion via malformed DNSKEY handling

    Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405827
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405829
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405830
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_19912.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-8677
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-8677
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-8677
  • report
    https://access.redhat.com/security/cve/CVE-2025-40778
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40778
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40778
  • report
    https://access.redhat.com/security/cve/CVE-2025-40780
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40780
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40780