CVE-2026-113401
Full vulnerability record from the local CVENow database.
Description
Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-20 13:16:41.173000
Last modified
2026-10-20 20:17:17.223000
View original CVE JSON
{
"id": "CVE-2026-113401",
"sourceIdentifier": "[email protected]",
"published": "2026-10-20T13:16:41.173",
"lastModified": "2026-10-20T20:17:17.223",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Mozilla",
"product": "Firefox",
"versions": [
{
"version": "158.0.1",
"lessThanOrEqual": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Mozilla",
"product": "Thunderbird",
"versions": [
{
"version": "158.0.1",
"lessThanOrEqual": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-20T14:25:14.357154Z",
"id": "CVE-2026-113401",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
],
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2073714",
"source": "[email protected]"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-111/",
"source": "[email protected]"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-114/",
"source": "[email protected]"
}
]
}