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CVE-2026-6758

🗓️ 21 Apr 2026 12:40:53Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 36 Views

CVE-2026-6758: Use-after-free in the JavaScript WebAssembly component fixed in Firefox 150.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
Mozilla -- Use-after-free
21 Apr 202600:00
freebsd
ATTACKERKB
CVE-2026-6758
21 Apr 202612:40
attackerkb
AlpineLinux
CVE-2026-6758
21 Apr 202612:40
alpinelinux
Circl
CVE-2026-6758
21 Apr 202619:25
circl
CNNVD
Mozilla Firefox和Mozilla Thunderbird 安全漏洞
21 Apr 202600:00
cnnvd
Cvelist
CVE-2026-6758 Use-after-free in the JavaScript: WebAssembly component
21 Apr 202612:40
cvelist
Debian CVE
CVE-2026-6758
21 Apr 202612:40
debiancve
EUVD
EUVD-2026-24099
21 Apr 202615:32
euvd
Tenable Nessus
Fedora 42 : firefox / nss (2026-69538c9f7e)
28 Apr 202600:00
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-c0a4f03150)
5 May 202600:00
nessus
Rows per page
NVD
Node
mozillafirefoxRange<150.0-
OR
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "150",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "150",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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22 Apr 2026 14:55Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00057
SSVC
36