Lucene search
K

CVE-2026-4720

🗓️ 24 Mar 2026 12:30:43Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 14 Views

Memory safety bugs fixed in Firefox and Thunderbird releases 149 and 140.9 ESR; some could allow code execution.

Related
Detection
Affected
Refs
NVD
Node
mozillafirefoxRange<140.9.0esr
OR
mozillafirefoxRange<149.0-
OR
mozillathunderbirdRange<140.9.0esr
OR
mozillathunderbirdRange<149.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.9",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.9",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

13 Apr 2026 15:17Current
7.4High risk
Vulners AI Score7.4
CVSS 3.19.8
EPSS0.00417
SSVC
14