EXPOSURES › CVE-2026-3593

CVE-2026-3593

HIGH

DETAIL

SourceNVD · cve Published2026-05-20 CVSS7.4 Referencehttps://nvd.nist.gov/vuln/detail/CVE-2026-3593 ↗

▸ RECOMMENDED ACTION Patch the affected products and confirm your instances are covered.

PLAYERS IMPLICATED

DESCRIPTION

A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected.

AFFECTED FEDRAMP PRODUCTS · 0

No correlated FedRAMP products.