PT-2026-27427 · Mozilla · Firefox+1

Christian Holler + 3 · Publicado 2026-03-24 · Atualizado 2026-03-29 · CVE-2026-4729

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Crítica

Vetor base

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

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149

Description Memory safety issues exist in Firefox 148 and Thunderbird 148. These bugs demonstrate evidence of memory corruption, and it is presumed that, with sufficient effort, they could potentially be exploited to execute arbitrary code.

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

Correção

RCE

Buffer Overflow

Enumeração de Fraquezas

CWE-120

Identificadores relacionados

CVE-2026-4729

OPENSUSE-SU-2026:10458-1

Produtos afetados

Firefox

Thunderbird

Referências · 57

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1944033%2C1997282%2C2009213%2C2011412%2C2021925%2C2022034 · Nota
• 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-2026-4688 · Nota
• https://suse.com/security/cve/CVE-2026-4702 · Nota
• https://suse.com/security/cve/CVE-2026-4713 · Nota
• https://suse.com/security/cve/CVE-2026-4695 · Nota
• https://ubuntu.com/security/CVE-2026-4729 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2026-4691 · Nota
• https://suse.com/security/cve/CVE-2026-4700 · Nota