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CVE-2026-2799

🗓️ 24 Feb 2026 13:33:28Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 114 Views

CVE 2026 2799 use after free in the document object model core and HTML component; affects Firefox before 148.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
Firefox -- Multiple vulnerabilities
24 Feb 202600:00
–freebsd
attackerkb
attackerkb
CVE-2026-2799
24 Feb 202613:33
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-2799
24 Feb 202613:33
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Firefox
1 Apr 202603:55
–astralinux
bdu_fstec
BDU FSTEC
Firefox Thunderbird Use-After-Free DoS
4 May 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-2799 vulnerabilities
1 Jul 202614:17
–cgr
circl
Circl
CVE-2026-2799
26 Feb 202609:36
–circl
cnnvd
CNNVD
Mozilla Firefox and Mozilla Thunderbird resource management error vulnerabilities
24 Feb 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-2799 Use-after-free in the DOM: Core & HTML component
24 Feb 202613:33
–cvelist
debiancve
Debian CVE
CVE-2026-2799
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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15 Jul 2026 02:19Current
8.1High risk
Vulners AI Score8.1
CVSS 3.18.8 - 9.8
EPSS0.00537
SSVC
114