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CVE-2026-8090

🗓️ 07 May 2026 12:45:04Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 50 Views

Use-after-free in the DOM networking component fixed in Firefox 150.0.2 and ESR 140.10.2.

Related
Detection
Affected
Refs
Social
NVD
Node
mozillafirefoxRange<115.35.2esr
OR
mozillafirefoxRange<150.0.2-
OR
mozillafirefoxRange128.0140.10.2esr
OR
mozillathunderbirdRange<140.10.2esr
OR
mozillathunderbirdRange<150.0.2-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "115.35.2",
        "lessThanOrEqual": "115.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "140.10.2",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "150.0.2",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.10.2",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "150.0.2",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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08 May 2026 20:08Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.3
EPSS0.00021
SSVC
50