VulnerabilityDeferred
CVE-2025-13878
Malformed BRID/HHIT records can cause `named` to terminate unexpectedly.
HIGH 7.5EPSS 8.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 8.54% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617, CWE-1286
- Source
- security-officer@isc.org
References
- 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
- https://kb.isc.org/docs/cve-2025-13878
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.