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CVE-2026-92035 Sandbox escape due to incorrect boundary conditions in the Graphics component

🗓️ 15 Sep 2026 12:33:56Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

Sandbox escape via boundary conditions in Firefox 156 and Thunderbird 156 Graphics component.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-92035
15 Sep 202612:33
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Thunderbird
1 Nov 202510:54
–astralinux
circl
Circl
CVE-2026-92035
17 Sep 202604:46
–circl
cve
CVE
CVE-2026-92035
15 Sep 202612:33
–cve
debian
Debian
[SECURITY] [DLA 4810-1] thunderbird security update
1 Oct 202622:45
–debian
debian
Debian
[SECURITY] [DSA 6536-1] thunderbird security update
1 Oct 202618:35
–debian
debiancve
Debian CVE
CVE-2026-92035
15 Sep 202612:33
–debiancve
nessus
Tenable Nessus
Debian dla-4810 : thunderbird - security update
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Debian dsa-6536 : thunderbird - security update
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Fedora 43 : thunderbird (2026-a387125860)
30 Sep 202600:00
–nessus
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "115.42",
        "lessThanOrEqual": "115.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "140.17",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "153.3",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.17",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "153.3",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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30 Sep 2026 17:19Current
CVSS 3.19.6
EPSS0.00328
SSVC
45