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CVE-2026-100776

🗓️ 29 Sep 2026 12:36:04Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Use-after-free in the JavaScript: WebAssembly component in Firefox.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-100776
29 Sep 202620:00
–circl
cvelist
Cvelist
CVE-2026-100776 Use-after-free in the JavaScript: WebAssembly component
29 Sep 202612:36
–cvelist
debiancve
Debian CVE
CVE-2026-100776
29 Sep 202612:36
–debiancve
euvd
EUVD
EUVD-2026-88928
29 Sep 202612:36
–euvd
kaspersky
Kaspersky
KLA91302 Multiple vulnerabilities in Mozilla Firefox ESR
29 Sep 202600:00
–kaspersky
kaspersky
Kaspersky
KLA91303 Multiple vulnerabilities in Mozilla Firefox
29 Sep 202600:00
–kaspersky
kaspersky
Kaspersky
KLA91305 Multiple vulnerabilities in Mozilla Firefox ESR
29 Sep 202600:00
–kaspersky
nessus
Tenable Nessus
Mozilla Firefox ESR < 140.17
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 157.0
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox ESR < 140.17
29 Sep 202600:00
–nessus
Rows per page
[
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.17",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "153.4",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "157",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.17",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "153.4",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "157",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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30 Sep 2026 17:20Current
6Medium risk
Vulners AI Score6
CVSS 3.18.8
EPSS0.00311
SSVC
10