#VU121952 Reachable assertion in ISC BIND - CVE-2025-13878
Published: January 22, 2026
Vulnerability identifier: #VU121952
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-13878
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
ISC BIND
ISC BIND
Software vendor:
ISC
ISC
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion when handling BRID/HHIT records. A remote attacker can send a specially crafted DNS request to the server and perform a denial of service attack.
Remediation
Install updates from vendor's website.