Heap-based Out-of-Bounds Write Vulnerability in JavaScriptCore of Safari Technology Preview Release 22

CVE-2017-5949 · HIGH Severity

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

JavaScriptCore in WebKit, as distributed in Safari Technology Preview Release 22, allows remote attackers to cause a denial of service (heap-based out-of-bounds write and application crash) or possibly have unspecified other impact via crafted JavaScript code that triggers access to red-zone memory locations, related to jit/ThunkGenerators.cpp, llint/LowLevelInterpreter32_64.asm, and llint/LowLevelInterpreter64.asm.

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