In a BIND resolver, inbound DNS protocol messages with a particular structure will result in additional processing, with no limit imposed by BIND. A DNS message with a maliciously large number of such structures will cause BIND to consume disproportionate amounts of CPU time and memory during processing. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1.
Serial number: AV26-1072 Date: October 21, 2026 As of October 21, 2026, ISC is affected by a vulnerability in the following products: BIND 9 Versions 9.11.0 to 9.18.50 Versions 9.11.0 to 9.18.50 ◦ Versions 9.21.0 to 9.21.26 BIND Supported Preview Edition Versions 9.11.3-S1 to 9.18.50-S1 Versions 9.20.9-S1 to 9.20.29-S1 The Cyber Centre encourages users and administrators to review the provided…
Posted by Andoni Duarte Pintado on Oct 21 On 21 October 2026, Internet Systems Consortium disclosed four https://kb.isc.org/docs/cve-2026-19630 https://kb.isc.org/docs/cve-2026-94300 - CVE-2026-96888: Named may terminate unexpectedly when a redirect zone is used with strict QNAME...