VDB
CVE-2026-77692
CVE-2026-77692
PUBLISHED
CVSS 7.5 HIGH
Reported by isc · Published September 16, 2026
An attacker can cause `named` to abort by sending a crafted DNS-over-HTTPS request with a cryptographically invalid SIG(0) record, and then closing the transport connection prematurely. This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| ISC | BIND 9 | 9.20.0, 9.21.0, 9.20.9-S1 |
| ISC | BIND 9 | 9.20.0, 9.21.0, 9.20.9-S1 |
| isc | bind | 9.20.0, 9.21.0, 9.20.9-S1 |
Timeline
- Sep 16, 2026 Coalition ESS Score
- Sep 16, 2026 CVE Published
References
- CVE-2026-77692 vendor-advisory
- patch
- patch