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CVE-2026-2798 Use-after-free in the DOM: Core & HTML component

🗓️ 24 Feb 2026 13:33:28Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

CVE-2026-2798 use-after-free in the DOM Core and HTML component affecting Firefox before 148.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
Firefox -- Multiple vulnerabilities
24 Feb 202600:00
freebsd
ATTACKERKB
CVE-2026-2798
24 Feb 202613:33
attackerkb
AlpineLinux
CVE-2026-2798
24 Feb 202613:33
alpinelinux
AstraLinux
Astra Linux – Vulnerability in Firefox
19 Jun 202611:10
astralinux
BDU FSTEC
The vulnerability of Firefox browser and Thunderbird email client lies in the use of memory after it is freed, allowing an attacker to trigger a service failure.
4 May 202600:00
bdu_fstec
Chainguard
CVE-2026-2798 vulnerabilities
1 Jul 202614:17
cgr
Circl
CVE-2026-2798
24 Feb 202620:10
circl
CNNVD
Mozilla Firefox和Mozilla Thunderbird 安全漏洞
24 Feb 202600:00
cnnvd
CVE
CVE-2026-2798
24 Feb 202613:33
cve
Debian CVE
CVE-2026-2798
24 Feb 202613:33
debiancve
Rows per page
[
  {
    "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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