InfraGuard

Vulnerabilidades de BIND 9 9.21

10 CVE conocidos afectan a la rama 9.21 de BIND 9.

9.8 CVSS máx.

Corregido en

9.21.209.21.219.21.22
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CVE que afectan a 9.21

CVE Título CVSS Explotada EPSS Publicación
CVE-2026-3593 Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation 9.8 — 2026-05-20
CVE-2026-3039 BIND 9 server memory exhaustion during GSS-API TKEY negotiation 7.5 — 2026-05-20
CVE-2026-1519 Excessive NSEC3 iterations cause high CPU load during insecure delegation validation 7.5 — 2026-03-25
CVE-2026-5946 Invalid handling of CLASS != IN 7.5 — 2026-05-20
CVE-2026-3104 Memory leak in code preparing DNSSEC proofs of non-existence 7.5 — 2026-03-25
CVE-2026-3119 Authenticated query containing a TKEY record may cause named to terminate unexpectedly 6.5 — 2026-03-25
CVE-2026-5947 SIG(0) validation during query flood may lead to undefined behavior 5.9 — 2026-05-20
CVE-2026-3591 A stack use-after-return flaw in SIG(0) handling code may enable ACL bypass 5.4 — 2026-03-25
CVE-2026-3592 Amplification vulnerabilities via self-pointed glue records 5.3 — 2026-05-20
CVE-2026-5950 Unbounded resend loop in BIND 9 resolver 5.3 — 2026-05-20

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Datos: CVE List (CVE® Program), NVD, CISA KEV, FIRST EPSS (consulta EPSS en https://www.first.org/epss), endoflife.date. Lista de software: awesome-selfhosted (CC BY-SA 3.0).