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CVE-2026-2804

🗓️ 24 Feb 2026 13:33:32Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

CVE-2026-2804 use-after-free in the JavaScript WebAssembly component affecting Firefox before 148.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
Firefox -- Multiple vulnerabilities
24 Feb 202600:00
freebsd
ATTACKERKB
CVE-2026-2804
24 Feb 202613:33
attackerkb
AlpineLinux
CVE-2026-2804
24 Feb 202613:33
alpinelinux
AstraLinux
Astra Linux - уязвимость в firefox
3 May 202623:59
astralinux
CNNVD
Mozilla Firefox和Mozilla Thunderbird 安全漏洞
24 Feb 202600:00
cnnvd
CNVD
Mozilla Firefox and Mozilla Thunderbird Code Execution Vulnerability
11 Mar 202600:00
cnvd
Cvelist
CVE-2026-2804 Use-after-free in the JavaScript: WebAssembly component
24 Feb 202613:33
cvelist
Debian CVE
CVE-2026-2804
24 Feb 202613:33
debiancve
EUVD
EUVD-2026-8457
24 Feb 202613:33
euvd
Tenable Nessus
Fedora 42 : firefox / nss (2026-0709b275a5)
4 Mar 202600:00
nessus
Rows per page
NVD
Node
mozillafirefoxRange<148.0-
OR
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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13 Apr 2026 15:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.00013
SSVC
8