CVE-2026-6784
Full vulnerability record from the local CVENow database.
Description
Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-04-21 13:16:24.020000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-6784",
"sourceIdentifier": "[email protected]",
"published": "2026-04-21T13:16:24.020",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Modified",
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"lang": "en",
"value": "Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150 and Thunderbird 150."
},
{
"lang": "es",
"value": "Errores de seguridad de memoria presentes en Firefox 149 y Thunderbird 149. Algunos de estos errores mostraron evidencia de corrupción de memoria y presumimos que con suficiente esfuerzo algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad fue corregida en Firefox 150 y Thunderbird 150."
}
],
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{
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"source": "[email protected]"
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-30/",
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