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Review reviewHigh

CVE-2025-13878

ISC BIND 9, Red Hat Hardened Images, Red Hat Enterprise Linux 10

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
EPSS
8.22%
94.3% percentile
CISA KEV
Not listed
Published
2026.01.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability8.22%
Technical severityCVSS 7.5

Vulnerability overview

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 product and versions

Product
ISC BIND 9, Red Hat Hardened Images, Red Hat Enterprise Linux 10
Affected versions
>= 9.18.40 <= 9.18.43, >= 9.20.13 <= 9.20.17, >= 9.21.12 <= 9.21.16, >= 9.18.40-S1 <= 9.18.43-S1, >= 9.20.13-S1 <= 9.20.17-S1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that ISC BIND 9, Red Hat Hardened Images, Red Hat Enterprise Linux 10 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-1286, CWE-617
CVE-2025-13878 — ISC BIND 9, Red Hat Hardened Images, Red Hat Enterprise Linux 10 | SECUFOCUS NOW