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7.5 High

CVE-2026-77692 An attacker can cause `named` to abort by sending a crafted DNS-over-HTTPS request with a cryptographically invalid…

Description

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.

Affected products and versions

Product Affected versions Fixed in
BIND 9 9.21 9.21.0 → 9.21.25 No fix stated
BIND 9 9.20 9.20.0 → 9.20.27 No fix stated

References

Timeline

  1. Published
  2. Last modified

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