Integer Overflow in SwizzleData Code: Potential Exploitable Crash in Thunderbird and Firefox

CVE-2018-12361 · MEDIUM Severity

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

An integer overflow can occur in the SwizzleData code while calculating buffer sizes. The overflowed value is used for subsequent graphics computations when their inputs are not sanitized which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.

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