PT-2026-27424 · Mozilla · Firefox+1

Hanno Boeck · Publicado 2026-03-24 · Atualizado 2026-03-29 · CVE-2026-4726

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 Firefox versions prior to 149 Thunderbird versions prior to 149

Description A denial-of-service issue exists in the XML component.

Recommendations Update Firefox to version 149 or later. Update Thunderbird to version 149 or later.

Correção

DoS

Resource Exhaustion

Enumeração de Fraquezas

CWE-400

Identificadores relacionados

CVE-2026-4726

OPENSUSE-SU-2026:10458-1

Produtos afetados

Firefox

Thunderbird

Referências · 56

• https://suse.com/security/cve/CVE-2026-4721 · Nota
• https://suse.com/security/cve/CVE-2026-4705 · Nota
• https://osv.dev/vulnerability/openSUSE-SU-2026:10458-1 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2026-4722 · Nota
• https://suse.com/security/cve/CVE-2026-4728 · Nota
• https://mozilla.org/security/advisories/mfsa2026-23 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2026-4686 · Nota
• https://suse.com/security/cve/CVE-2026-4708 · Nota
• https://suse.com/security/cve/CVE-2026-4688 · Nota
• https://suse.com/security/cve/CVE-2026-4702 · Nota
• https://cve.org/CVERecord?id=CVE-2026-4726 · Nota de Segurança
• https://suse.com/security/cve/CVE-2026-4713 · Nota
• https://suse.com/security/cve/CVE-2026-4695 · Nota
• https://suse.com/security/cve/CVE-2026-4691 · Nota
• https://suse.com/security/cve/CVE-2026-4700 · Nota