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CVE-2026-12321 JIT miscompilation in the JavaScript: WebAssembly component

🗓️ 16 Jun 2026 11:52:54Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

CVE-2026-12321: JIT miscompilation in the JavaScript WebAssembly component fixed in Firefox 152.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2026-12321
16 Jun 202611:52
alpinelinux
Chainguard
CVE-2026-12321 vulnerabilities
18 Jun 202620:21
cgr
Circl
CVE-2026-12321
16 Jun 202614:22
circl
CVE
CVE-2026-12321
16 Jun 202611:52
cve
Debian CVE
CVE-2026-12321
16 Jun 202611:52
debiancve
EUVD
EUVD-2026-37067
16 Jun 202611:52
euvd
Tenable Nessus
Fedora 43 : firefox / nss (2026-1c873954fa)
20 Jun 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
Tenable Nessus
Mozilla Firefox < 152.0
16 Jun 202600:00
nessus
Rows per page
[
  {
    "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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