CVE-2018-12366

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

VendorProductVersions
MozillaThunderbird>= unspecified, < 60; >= unspecified, < 52.9
MozillaFirefox ESR>= unspecified, < 60.1; >= unspecified, < 52.9
MozillaFirefox>= unspecified, < 61

References

Timeline

Published
Oct 18, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-12366: Medium severity, CVSS 6.5 | Vulnix