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CVE-2026-8971

🗓️ 19 May 2026 12:30:18Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 17 Views

CVE-2026-8971 fixes same-origin policy bypass in the Networking JAR component in Firefox 151.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8971
19 May 202612:30
attackerkb
AlpineLinux
CVE-2026-8971
19 May 202612:30
alpinelinux
Chainguard
CVE-2026-8971 vulnerabilities
1 Jul 202614:17
cgr
Circl
CVE-2026-8971
19 May 202617:13
circl
CNNVD
Mozilla Firefox和Mozilla Thunderbird 访问控制错误漏洞
19 May 202600:00
cnnvd
Cvelist
CVE-2026-8971 Same-origin policy bypass in the Networking: JAR component
19 May 202612:30
cvelist
Debian CVE
CVE-2026-8971
19 May 202612:30
debiancve
EUVD
EUVD-2026-30919
19 May 202612:30
euvd
Tenable Nessus
Fedora 42 : firefox / nss (2026-7f6ee801e2)
25 May 202600:00
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-cd20332935)
20 May 202600:00
nessus
Rows per page
NVD
Node
mozillafirefoxRange<151.0.0-
OR
mozillathunderbirdRange<151.0.0
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "151",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "151",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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17 Jun 2026 11:04Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00206
SSVC
17