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CVE-2026-12323

🗓️ 16 Jun 2026 11:52:56Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 104 Views

Spoofing issue in the DOM Core and HTML component fixed in Firefox 152.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-12323
16 Jun 202611:52
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Firefox
15 Oct 202615:53
–astralinux
bdu_fstec
BDU FSTEC
Firefox Thunderbird DOM DoS
10 Aug 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-12323 vulnerabilities
18 Jun 202620:21
–cgr
circl
Circl
CVE-2026-12323
16 Jun 202614:38
–circl
cvelist
Cvelist
CVE-2026-12323 Spoofing issue in the DOM: Core & HTML component
16 Jun 202611:52
–cvelist
debiancve
Debian CVE
CVE-2026-12323
16 Jun 202611:52
–debiancve
euvd
EUVD
EUVD-2026-37069
16 Jun 202611:52
–euvd
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-1c873954fa)
20 Jun 202600:00
–nessus
nessus
Tenable Nessus
Fedora 43 : thunderbird (2026-2fb5ca48a2)
1 Jul 202600:00
–nessus
Rows per page
NVD
Node
OR
mozillafirefoxRange<152.0.0-
mozillathunderbirdRange<152.0.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "152",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "152",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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26 Oct 2026 12:10Current
6Medium risk
Vulners AI Score6
CVSS 3.15.4
EPSS0.00168
SSVC
104