Integer Overflow Vulnerability in Image Buffer Size Calculation

CVE-2018-18498 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

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