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CVE-2026-12303

🗓️ 16 Jun 2026 11:52:36Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 15 Views

Information disclosure due to incorrect boundary conditions in Graphics WebGPU; fixed in Firefox 152.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2026-12303
16 Jun 202611:52
alpinelinux
Chainguard
CVE-2026-12303 vulnerabilities
1 Jul 202614:17
cgr
Circl
CVE-2026-12303
17 Jun 202620:00
circl
Cvelist
CVE-2026-12303 Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component
16 Jun 202611:52
cvelist
Debian CVE
CVE-2026-12303
16 Jun 202611:52
debiancve
EUVD
EUVD-2026-37094
16 Jun 202611:52
euvd
Tenable Nessus
Fedora 43 : firefox / nss (2026-1c873954fa)
20 Jun 202600:00
nessus
Tenable Nessus
Fedora 43 : thunderbird (2026-2fb5ca48a2)
1 Jul 202600:00
nessus
Tenable Nessus
Fedora 44 : firefox / nss (2026-5eeadd9b1b)
17 Jun 202600:00
nessus
Tenable Nessus
Fedora 44 : thunderbird (2026-cda0c20ce0)
26 Jun 202600:00
nessus
Rows per page
NVD
Node
mozillafirefoxRange<152.0-
OR
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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17 Jun 2026 10:14Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.14.3
EPSS0.00222
SSVC
15