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CVE-2026-0881 Sandbox escape in the Messaging System component

🗓️ 13 Jan 2026 13:30:55Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Sandbox escape in the Messaging System component affecting Firefox versions before 147.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-0881
13 Jan 202613:30
attackerkb
AlpineLinux
CVE-2026-0881
13 Jan 202613:30
alpinelinux
AstraLinux
Astra Linux – Vulnerability in Firefox
1 Apr 202603:55
astralinux
BDU FSTEC
The vulnerability of the Messaging System component of Mozilla Firefox and the email client Thunderbird allows a hacker to execute arbitrary code.
18 Feb 202600:00
bdu_fstec
Chainguard
CVE-2026-0881 vulnerabilities
1 Jul 202614:17
cgr
Circl
CVE-2026-0881
14 Jan 202615:25
circl
CNNVD
Mozilla Firefox 安全漏洞
13 Jan 202600:00
cnnvd
CNVD
Mozilla Firefox and Mozilla Thunderbird have undisclosed vulnerabilities (CNVD-2026-23772)
19 Jan 202600:00
cnvd
CVE
CVE-2026-0881
13 Jan 202613:30
cve
Debian CVE
CVE-2026-0881
13 Jan 202613:30
debiancve
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "147",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "147",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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13 Apr 2026 13:51Current
EPSS0.00306
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