What is the CVSS score of CVE-2025-13878?

CVE-2025-13878 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of DNS are affected by CVE-2025-13878?

CVE-2025-13878 presents notable security risk rated CVSS 7.5. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2025-13878?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

DNS CVE-2025-13878

HIGH

Reachable Assertion (CWE-617)

2026-01-21 security-officer@isc.org

DNS Red Hat Suse

7.5

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 21, 2026 - 15:16 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

to terminate unexpectedly. This issue affects BIND 9 versions 9.18.40 versions up to 9.18.43 is affected by reachable assertion (CVSS 7.5).

Technical ContextAI

This vulnerability (CWE-617: Reachable Assertion) affects to terminate unexpectedly. This issue affects BIND 9 versions 9.18.40. 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.