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CVE-2026-2804

🗓️ 24 Feb 2026 14:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 2 Views

Use-after-free in JavaScript WebAssembly component affects Firefox before 148 and Thunderbird before 148.

Related
Packages
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 – Vulnerability in Firefox
1 Apr 202603:55
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
CVE
CVE-2026-2804
24 Feb 202613:33
cve
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
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04anythunderbird0thunderbird_0_any.deb
Ubuntu18.04anymozjs380mozjs38_0_any.deb

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13 May 2026 17:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
EPSS0.00013
SSVC
2