PT-2026-42155 · Isc+3 · Bind+3

Published 2026-05-17 · Updated 2026-05-28 · CVE-2026-3592

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions BIND versions 9.11.0 through 9.16.50 BIND versions 9.18.0 through 9.18.48 BIND versions 9.20.0 through 9.20.22 BIND versions 9.21.0 through 9.21.21 BIND versions 9.11.3-S1 through 9.16.50-S1 BIND versions 9.18.11-S1 through 9.18.48-S1 BIND versions 9.20.9-S1 through 9.20.22-S1

Description BIND resolvers are susceptible to an amplified resource consumption and exhaustion attack via self-pointed glue records. This occurs when a victim resolver processes a query to a specially crafted zone, leading to the consumption of disproportionate system resources.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-408

Related Identifiers

CVE-2026-3592

ECHO-5A68-58ED-E2E3

OPENSUSE-SU-2026:10874-1

RHSA-2026:20334

USN-8293-1

Affected Products

Bind

Bind Server

Linuxmint

Ubuntu

References · 28

• https://osv.dev/vulnerability/ALPINE-CVE-2026-3592 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-3592 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8293-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-3593 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3592 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2026-3592 · Vendor Advisory
• https://downloads.isc.org/isc/bind9/9.21.22 · Patch
• https://ubuntu.com/security/notices/USN-8293-1 · Vendor Advisory
• https://downloads.isc.org/isc/bind9/9.18.49 · Patch
• https://ubuntu.com/security/CVE-2026-5947 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-3592 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-5950 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10874-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-3592 · Vendor Advisory
• https://kb.isc.org/docs/cve-2026-3592 · Vendor Advisory