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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-1519

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 72.2%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2026-1519
  • Isc » Bind » Version: 9.11.29
    cpe:2.3:a:isc:bind:9.11.29
  • Isc » Bind » Version: 9.11.31
    cpe:2.3:a:isc:bind:9.11.31
  • Isc » Bind » Version: 9.11.35
    cpe:2.3:a:isc:bind:9.11.35
  • Isc » Bind » Version: 9.11.36
    cpe:2.3:a:isc:bind:9.11.36
  • Isc » Bind » Version: 9.12.0
    cpe:2.3:a:isc:bind:9.12.0
  • Isc » Bind » Version: 9.16.0
    cpe:2.3:a:isc:bind:9.16.0
  • Isc » Bind » Version: 9.16.12
    cpe:2.3:a:isc:bind:9.16.12
  • Isc » Bind » Version: 9.16.13
    cpe:2.3:a:isc:bind:9.16.13
  • Isc » Bind » Version: 9.16.15
    cpe:2.3:a:isc:bind:9.16.15
  • Isc » Bind » Version: 9.16.19
    cpe:2.3:a:isc:bind:9.16.19
  • Isc » Bind » Version: 9.16.21
    cpe:2.3:a:isc:bind:9.16.21
  • Isc » Bind » Version: 9.16.22
    cpe:2.3:a:isc:bind:9.16.22
  • Isc » Bind » Version: 9.16.36
    cpe:2.3:a:isc:bind:9.16.36
  • Isc » Bind » Version: 9.16.37
    cpe:2.3:a:isc:bind:9.16.37
  • Isc » Bind » Version: 9.16.43
    cpe:2.3:a:isc:bind:9.16.43
  • Isc » Bind » Version: 9.16.44
    cpe:2.3:a:isc:bind:9.16.44
  • Isc » Bind » Version: 9.16.45
    cpe:2.3:a:isc:bind:9.16.45
  • Isc » Bind » Version: 9.16.48
    cpe:2.3:a:isc:bind:9.16.48
  • Isc » Bind » Version: 9.20.0
    cpe:2.3:a:isc:bind:9.20.0
  • Isc » Bind » Version: 9.20.1
    cpe:2.3:a:isc:bind:9.20.1
  • Isc » Bind » Version: 9.20.10
    cpe:2.3:a:isc:bind:9.20.10
  • Isc » Bind » Version: 9.20.11
    cpe:2.3:a:isc:bind:9.20.11
  • Isc » Bind » Version: 9.20.12
    cpe:2.3:a:isc:bind:9.20.12
  • Isc » Bind » Version: 9.20.13
    cpe:2.3:a:isc:bind:9.20.13
  • Isc » Bind » Version: 9.20.15
    cpe:2.3:a:isc:bind:9.20.15
  • Isc » Bind » Version: 9.20.16
    cpe:2.3:a:isc:bind:9.20.16
  • Isc » Bind » Version: 9.20.17
    cpe:2.3:a:isc:bind:9.20.17
  • Isc » Bind » Version: 9.20.18
    cpe:2.3:a:isc:bind:9.20.18
  • Isc » Bind » Version: 9.20.19
    cpe:2.3:a:isc:bind:9.20.19
  • Isc » Bind » Version: 9.20.2
    cpe:2.3:a:isc:bind:9.20.2
  • Isc » Bind » Version: 9.20.20
    cpe:2.3:a:isc:bind:9.20.20
  • Isc » Bind » Version: 9.20.3
    cpe:2.3:a:isc:bind:9.20.3
  • Isc » Bind » Version: 9.20.4
    cpe:2.3:a:isc:bind:9.20.4
  • Isc » Bind » Version: 9.20.5
    cpe:2.3:a:isc:bind:9.20.5
  • Isc » Bind » Version: 9.20.6
    cpe:2.3:a:isc:bind:9.20.6
  • Isc » Bind » Version: 9.20.7
    cpe:2.3:a:isc:bind:9.20.7
  • Isc » Bind » Version: 9.20.8
    cpe:2.3:a:isc:bind:9.20.8
  • Isc » Bind » Version: 9.20.9
    cpe:2.3:a:isc:bind:9.20.9
  • Isc » Bind » Version: 9.21.0
    cpe:2.3:a:isc:bind:9.21.0
  • Isc » Bind » Version: 9.21.1
    cpe:2.3:a:isc:bind:9.21.1
  • Isc » Bind » Version: 9.21.10
    cpe:2.3:a:isc:bind:9.21.10
  • Isc » Bind » Version: 9.21.11
    cpe:2.3:a:isc:bind:9.21.11
  • Isc » Bind » Version: 9.21.12
    cpe:2.3:a:isc:bind:9.21.12
  • Isc » Bind » Version: 9.21.14
    cpe:2.3:a:isc:bind:9.21.14
  • Isc » Bind » Version: 9.21.15
    cpe:2.3:a:isc:bind:9.21.15
  • Isc » Bind » Version: 9.21.16
    cpe:2.3:a:isc:bind:9.21.16
  • Isc » Bind » Version: 9.21.17
    cpe:2.3:a:isc:bind:9.21.17
  • Isc » Bind » Version: 9.21.18
    cpe:2.3:a:isc:bind:9.21.18
  • Isc » Bind » Version: 9.21.19
    cpe:2.3:a:isc:bind:9.21.19
  • Isc » Bind » Version: 9.21.2
    cpe:2.3:a:isc:bind:9.21.2
  • Isc » Bind » Version: 9.21.3
    cpe:2.3:a:isc:bind:9.21.3
  • Isc » Bind » Version: 9.21.4
    cpe:2.3:a:isc:bind:9.21.4
  • Isc » Bind » Version: 9.21.5
    cpe:2.3:a:isc:bind:9.21.5
  • Isc » Bind » Version: 9.21.6
    cpe:2.3:a:isc:bind:9.21.6
  • Isc » Bind » Version: 9.21.7
    cpe:2.3:a:isc:bind:9.21.7
  • Isc » Bind » Version: 9.21.8
    cpe:2.3:a:isc:bind:9.21.8
  • Isc » Bind » Version: 9.21.9
    cpe:2.3:a:isc:bind:9.21.9


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