CVE Watch19 ago 2026

CVE-2022-26485

Mozilla Firefox Use-After-Free Vulnerability

CVSS

8.8

Alto

EPSS

14.3%

p97

KEV

SÍ

7 mar 2022

Exploit Today

0-100

Publicado: 22 dic 2022 · Última mod.: 19 ago 2026 · CWE-416

EPSS · 30d

14.3%EPSS · 30 días14.3%

2026-09-162026-10-14

Ficha del catálogo KEV

Producto

Mozilla / Firefox

Vulnerabilidad

Mozilla Firefox Use-After-Free Vulnerability

Añadido a KEV

7 mar 2022

Remediar antes de

21 mar 2022

Uso conocido en ransomware

Descripción resumida

Mozilla Firefox contains a use-after-free vulnerability in XSLT parameter processing which can be exploited to perform arbitrary code execution.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2022-26485

Descripción técnica

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

Referencias oficiales

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