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7.4высокая

CVE-2026-3593

Описание

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.

Затрагиваемое ПО
Isc Bind
CVSS
Балл7.4 — высокая
ВекторCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Источники
https://downloads.isc.org/isc/bind9/9.20.23https://downloads.isc.org/isc/bind9/9.21.22https://kb.isc.org/docs/cve-2026-3593https://access.redhat.com/errata/RHSA-2026:7412https://access.redhat.com/security/cve/CVE-2026-3593https://bugzilla.redhat.com/show_bug.cgi?id=2479770https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3593.json