CVE-2019-17012

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. 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 affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
MozillaThunderbirdbefore 68.3
MozillaFirefox ESRbefore 68.3
MozillaFirefoxbefore 71

References

Timeline

Published
Jan 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2019-17012: High severity, CVSS 8.8 | Vulnix