Vulnerability Details CVE-2017-5949
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 82.1%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References