PT-2026-27772 · Isc+3 · Bind+3

CVE-2026-3104 · Publicado 2026-01-01 · Atualizado 2026-05-21

Positive Technologies (AI Summary)

CVSS v3.1

7.5

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions BIND versions 9.20.0 through 9.20.20 BIND versions 9.21.0 through 9.21.19 BIND versions 9.20.9-S1 through 9.20.20-S1

Description A specially crafted domain can be used to cause a memory leak in a BIND resolver by querying this domain. The issue involves code preparing DNSSEC proofs of non-existence.

Recommendations Update BIND to a version later than 9.20.20. Update BIND to a version later than 9.21.19. Update BIND to a version later than 9.20.20-S1.

Correção

Missing Release of Resource after Effective Lifetime

Memory Leak

Enumeração de Fraquezas

CWE-772

CWE-401

Identificadores relacionados

CVE-2026-3104

OPENSUSE-SU-2026:10448-1

OPENSUSE-SU-2026:20550-1

RHSA-2026:6935

SUSE-SU-2026:1351-1

SUSE-SU-2026:21204-1

USN-8124-1

Produtos afetados

Bind

Bind Server

Linuxmint

Ubuntu

Referências · 42

• https://bugzilla.suse.com/1259202 · Nota
• https://security-tracker.debian.org/tracker/CVE-2026-3104 · Aviso do Fabricante
• https://downloads.isc.org/isc/bind9/9.20.21 · Correção
• https://suse.com/security/cve/CVE-2026-1519 · Nota
• https://osv.dev/vulnerability/USN-8124-1 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2026-3104 · Nota
• https://ubuntu.com/security/CVE-2026-1519 · Aviso do Fabricante
• https://bugzilla.suse.com/1260569 · Nota
• https://t.me/cveNotify/164398 · Publicação no Telegram
• https://ubuntu.com/security/CVE-2026-3104 · Aviso do Fabricante
• https://osv.dev/vulnerability/BELL-CVE-2026-3104 · Aviso do Fabricante
• https://osv.dev/vulnerability/SUSE-SU-2026:21204-1 · Aviso do Fabricante
• https://suse.com/support/update/announcement/2026/suse-su-20261351-1 · Nota
• https://access.redhat.com/errata/RHSA-2026:6935 · Aviso do Fabricante
• https://twitter.com/CCBalert/status/2039255207532429626 · Publicação no Twitter