CVE-2026-77692

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.

  • Published Sep 16, 2026
  • CVSS 7.5 high
  • 6.6% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-77692 at the National Vulnerability Database