CVE-2017-5949
moderate-risk
Published 2017-04-03
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.
Do I need to act?
~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (6)
Third Party Advisory
http://www.securityfocus.com/bid/97298
Issue Tracking
https://bugs.webkit.org/show_bug.cgi?id=167239
Issue Tracking
https://trac.webkit.org/changeset/211479
Third Party Advisory
http://www.securityfocus.com/bid/97298
Issue Tracking
https://bugs.webkit.org/show_bug.cgi?id=167239
Issue Tracking
https://trac.webkit.org/changeset/211479
42
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
5/34 · Minimal
Exposure
5/34 · Minimal