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CVE-2026-2801

🗓️ 24 Feb 2026 13:33:29Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 107 Views

CVE-2026-2801: Incorrect boundary conditions in JavaScript WebAssembly component affecting Firefox before 148.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
Firefox -- Multiple vulnerabilities
24 Feb 202600:00
–freebsd
attackerkb
attackerkb
CVE-2026-2801
24 Feb 202613:33
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-2801
24 Feb 202613:33
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Firefox
14 Sep 202612:41
–astralinux
bdu_fstec
BDU FSTEC
WebAssembly DoS
4 May 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-2801 vulnerabilities
1 Jul 202614:17
–cgr
circl
Circl
CVE-2026-2801
26 Feb 202611:34
–circl
cnnvd
CNNVD
Mozilla Firefox and Mozilla Thunderbird code-related vulnerabilities
24 Feb 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-2801 Incorrect boundary conditions in the JavaScript: WebAssembly component
24 Feb 202613:33
–cvelist
debiancve
Debian CVE
CVE-2026-2801
24 Feb 202613:33
–debiancve
Rows per page
NVD
Node
OR
mozillafirefoxRange<148.0-
mozillathunderbirdRange<148.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "148",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "148",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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17 Jun 2026 10:31Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.5
EPSS0.00335
SSVC
107