CVE-2026-77692 — Unauthenticated remote crash of named via a single DoH SIG(0) request
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 prem…
Published: 2026-09-16 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7