CVE-2026-1519 (GCVE-0-2026-1519)
Vulnerability from cvelistv5
Published
2026-03-25 13:25
Modified
2026-08-25 12:05
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-606 - Unchecked Input for Loop Condition
Summary
If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries (see: https://kb.isc.org/docs/why-does-my-authoritative-server-make-recursive-queries). This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.46, 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.46-S1, and 9.20.9-S1 through 9.20.20-S1.
References
Impacted products
Vendor Product Version
ISC BIND 9 Version: 9.11.0   <
Version: 9.18.0   <
Version: 9.20.0   <
Version: 9.21.0   <
Version: 9.11.3-S1   <
Version: 9.18.11-S1   <
Version: 9.20.9-S1   <
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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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