# CVE-2025-8677

## Summary

- **CVE ID:** CVE-2025-8677
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-405
- **Published:** Oct 22, 2025
- **Last Modified:** Mar 12, 2026

## Description

Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion.
This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

## Affected Products

- ISC — BIND 9 (9.18.0)
- ISC — BIND 9 (9.20.0)
- ISC — BIND 9 (9.21.0)
- ISC — BIND 9 (9.18.11-S1)
- ISC — BIND 9 (9.20.9-S1)

## References

- [CNA](https://kb.isc.org/docs/cve-2025-8677)
- [CVE](http://www.openwall.com/lists/oss-security/2025/10/22/1)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 11.20%
- **EPSS Percentile:** 95.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._