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CVE-2026-8974

🗓️ 19 May 2026 12:30:23Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 24 Views

CVE-2026-8974 memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151.

Related
Detection
Affected
Refs
NVD
Node
mozillafirefoxRange<140.11.0esr
OR
mozillafirefoxRange<151.0.0-
OR
mozillathunderbirdRange<140.11esr
OR
mozillathunderbirdRange<151.0.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.11",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "151",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.11",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "151",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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17 Jun 2026 11:04Current
6Medium risk
Vulners AI Score6
CVSS 3.18.8
EPSS0.00332
SSVC
24