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OpenAdvisories
High RHSA-2025:21735 1 CVE

Red Hat Security Advisory: bind security update

Published Nov 19, 2025 · Updated Oct 14, 2026

Ecosystem: Red Hat

Fixed packages 20

ReleasePackageFixed in
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-libs 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-libs-lite 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-pkcs11 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-pkcs11-libs 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-pkcs11-utils 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-sdb 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::appstream bind-utils 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos bind 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos bind-export-libs 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-libs 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-libs-lite 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-pkcs11 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-pkcs11-libs 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-pkcs11-utils 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-sdb 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::appstream bind-utils 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos bind 32:9.11.36-8.el8_8.8
Red Hat · RHEL 8.8 TUS rhel_tus:8.8::baseos bind-export-libs 32:9.11.36-8.el8_8.8

Vulnerabilities 1

  • 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

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405827
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21735.json
  • 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