CVE-2026-100792
Full vulnerability record from the local CVENow database.
Description
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.
Severity
HIGH
CVSS score
7.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-09-29 13:17:44.237000
Last modified
2026-10-19 15:29:15.073000
View original CVE JSON
{
"id": "CVE-2026-100792",
"sourceIdentifier": "[email protected]",
"published": "2026-09-29T13:17:44.237",
"lastModified": "2026-10-19T15:29:15.073",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
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"product": "Thunderbird",
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"status": "unaffected"
},
{
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},
{
"version": "157",
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}
]
},
{
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"product": "Firefox",
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},
{
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},
{
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}
],
"metrics": {
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{
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"cvssData": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
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"impactScore": 4.2
}
],
"ssvcV203": [
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"id": "CVE-2026-100792",
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"automatable": "no"
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}
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"value": "CWE-843"
}
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"configurations": [
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"references": [
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2073266",
"source": "[email protected]",
"tags": [
"Permissions Required"
]
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-100/",
"source": "[email protected]",
"tags": [
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{
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{
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]
}