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CVE-2026-117991

🗓️ 27 Oct 2026 14:05:52Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Incorrect boundary conditions in Firefox Layout: Text and Fonts component.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-117991
27 Oct 202615:44
–circl
cvelist
Cvelist
CVE-2026-117991 Incorrect boundary conditions in the Layout: Text and Fonts component
27 Oct 202614:05
–cvelist
debiancve
Debian CVE
CVE-2026-117991
28 Oct 202602:17
–debiancve
euvd
EUVD
EUVD-2026-111022
27 Oct 202614:05
–euvd
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.6
27 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 159.0
27 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 153.6
27 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 159.0
27 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.6
27 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 159.0
27 Oct 202600:00
–nessus
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.6",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "159",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.6",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "159",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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27 Oct 2026 19:17Current
6Medium risk
Vulners AI Score6
EPSS0.00181
4