Malformed BRID/HHIT records can cause named to terminate unexpectedly
Summary
| CVE | CVE-2025-13878 |
|---|---|
| State | PUBLISHED |
| Assigner | isc |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-01-21 15:16:05 UTC |
| Updated | 2026-07-15 02:17:16 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.082190000 probability, percentile 0.942530000 (date 2026-07-17)
Problem Types: CWE-617 | CWE-1286 | CWE-617 CWE-617 Reachable Assertion | CWE-1286 Improper Validation of Syntactic Correctness of Input
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | ISC | BIND 9 | affected 9.18.40 9.18.43 custom | Not specified |
| CNA | ISC | BIND 9 | affected 9.20.13 9.20.17 custom | Not specified |
| CNA | ISC | BIND 9 | affected 9.21.12 9.21.16 custom | Not specified |
| CNA | ISC | BIND 9 | affected 9.18.40-S1 9.18.43-S1 custom | Not specified |
| CNA | ISC | BIND 9 | affected 9.20.13-S1 9.20.17-S1 custom | Not specified |
| ADP | Red Hat | Red Hat Hardened Images | unaffected 9.18.48-1.hum1 * rpm | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| ADP | Red Hat | Red Hat OpenShift Container Platform 4 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| downloads.isc.org/isc/bind9/9.21.17 | [email protected] | downloads.isc.org | |
| bugzilla.redhat.com/show_bug.cgi | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | bugzilla.redhat.com | |
| www.openwall.com/lists/oss-security/2026/01/21/3 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| downloads.isc.org/isc/bind9/9.20.18 | [email protected] | downloads.isc.org | |
| kb.isc.org/docs/cve-2025-13878 | [email protected] | kb.isc.org | |
| access.redhat.com/errata/RHSA-2026:6935 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| downloads.isc.org/isc/bind9/9.18.44 | [email protected] | downloads.isc.org | |
| security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-13878.json | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | security.access.redhat.com | |
| access.redhat.com/security/cve/CVE-2025-13878 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: ISC would like to thank Vlatko Kosturjak from Marlink Cyber for bringing this vulnerability to our attention. (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-01-21T13:45:49.972Z | Reported to Red Hat. |
| ADP | 2026-01-21T00:00:00.000Z | Made public. |
Solutions
CNA: Upgrade to the patched release most closely related to your current version of BIND 9: 9.18.44, 9.20.18, 9.21.17, 9.18.44-S1, or 9.20.18-S1.
ADP: RHSA-2026:6935: Red Hat Hardened Images
Workarounds
CNA: No workarounds known.
ADP: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Exploits
CNA: We are not aware of any active exploits.