CVE-2025-13878

Summary

Malformed BRID/HHIT records can cause named to terminate unexpectedly. This issue affects BIND 9 versions 9.18.40 through 9.18.43, 9.20.13 through 9.20.17, 9.21.12 through 9.21.16, 9.18.40-S1 through 9.18.43-S1, and 9.20.13-S1 through 9.20.17-S1.

Affected Software

Weaknesses

• CWE-617: CWE-617 Reachable Assertion

Workarounds

No workarounds known.

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/01/21/3

bind: bind: Denial of Service via corrupt or malicious record

Additional References

• https://access.redhat.com/security/cve/CVE-2025-13878
• https://bugzilla.redhat.com/show_bug.cgi?id=2431600
• https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-13878.json
• https://access.redhat.com/errata/RHSA-2026:6935

References

• https://kb.isc.org/docs/cve-2025-13878
• https://downloads.isc.org/isc/bind9/9.18.44
• https://downloads.isc.org/isc/bind9/9.20.18
• https://downloads.isc.org/isc/bind9/9.21.17

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