High 7.5Published Jan 21, 2026

CVE-2025-13878Malformed BRID/HHIT records can cause named to terminate unexpectedly

Updated under an hour ago (Oct 27, 2026, 10:50 AM ET)

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It affects ISC BIND 9 and 3 other products. Add what you run to find out whether that includes you.

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Every CVE for ISC BIND 9

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-617, CWE-1286
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: isc
NVD analysis: Deferred
Record last updated: Sep 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ISC BIND 9 isc:bind_9 (from the name)	from 9.18.40 through 9.18.43; from 9.20.13 through 9.20.17; from 9.21.12 through 9.21.16; from 9.18.40-S1 through 9.18.43-S1; from 9.20.13-S1 through 9.20.17-S1	CNA record
Red Hat Red Hat Hardened Images redhat:hummingbird	from 9.18.48-1.hum1 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	10	CISA ADP
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CISA ADP

References

References

https://kb.isc.org/docs/cve-2025-13878	vendor-advisory
https://downloads.isc.org/isc/bind9/9.18.44	patch
https://downloads.isc.org/isc/bind9/9.20.18	patch
https://downloads.isc.org/isc/bind9/9.21.17	patch
http://www.openwall.com/lists/oss-security/2026/01/21/3
https://access.redhat.com/errata/RHSA-2026:6935
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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.