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CVE-2026-74970

🗓️ 18 Aug 2026 12:23:38Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 14 Views

Site isolation flaw in Firefox Graphics component allowing cross-origin data access, fixed in Firefox 154 and ESR 153.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74970
17 Aug 202615:43
circl
cvelist
Cvelist
CVE-2026-74970 Site isolation issue in the Graphics component
18 Aug 202612:23
cvelist
debiancve
Debian CVE
CVE-2026-74970
18 Aug 202612:23
debiancve
euvd
EUVD
EUVD-2026-60688
18 Aug 202612:23
euvd
nvd
NVD
CVE-2026-74970
18 Aug 202613:17
nvd
ptsecurity
Positive Technologies
PT-2026-77003
18 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-74970 Site isolation issue in the Graphics component
18 Aug 202612:23
vulnrichment
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.1",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.1",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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18 Aug 2026 19:17Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.15.4
SSVC
14