CVE-2026-3593

Katalog CVE

CVSS 9.8 · Critical EPSS 1,1%

Kerentanan Use After Free pada isc bind. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

20 Mei 2026

Terakhir diubah

24 Agustus 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free
CWE-825: Expired Pointer Dereference

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 64,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://kb.isc.org/docs/cve-2026-3593 advisory vendor
• https://downloads.isc.org/isc/bind9/9.20.23 patch
• https://downloads.isc.org/isc/bind9/9.21.22 patch
• https://access.redhat.com/errata/RHSA-2026:7412
• https://access.redhat.com/security/cve/CVE-2026-3593
• https://bugzilla.redhat.com/show_bug.cgi?id=2479770
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3593.json