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CVE-2026-84137

🗓️ 01 Sep 2026 12:19:03Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 49 Views

Spoofing in DOM: Core & HTML fixed in Firefox 155 and Firefox ESR 153.2.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-84137
1 Sep 202612:19
alpinelinux
cgr
Chainguard
CVE-2026-84137 vulnerabilities
5 Sep 202602:17
cgr
circl
Circl
CVE-2026-84137
2 Sep 202604:47
circl
cvelist
Cvelist
CVE-2026-84137 Spoofing issue in the DOM: Core & HTML component
1 Sep 202612:19
cvelist
debiancve
Debian CVE
CVE-2026-84137
1 Sep 202612:19
debiancve
euvd
EUVD
EUVD-2026-69085
1 Sep 202612:19
euvd
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-208add2041)
3 Sep 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : thunderbird (2026-379e77483b)
20 Sep 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : firefox / nss (2026-42a3a95e62)
3 Sep 202600:00
nessus
nessus
Tenable Nessus
Fedora 45 : firefox / nss (2026-823e097aaa)
11 Sep 202600:00
nessus
Rows per page
NVD
Node
OR
mozillafirefoxRange<153.2.0
mozillafirefoxRange154.0.0155.0.0
mozillathunderbirdRange<153.2.0
mozillathunderbirdRange154.0155.0
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "155",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "155",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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03 Sep 2026 18:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3 - 9.8
EPSS0.00129
SSVC
49