VULNERABILITY INTELLIGENCE
CVE-2017-5949
CVSS score9.8 CRITICAL
EPSS probability1.82%
CISA KEVNot currently listed
Published2017-04-03
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- CWE-787: Out-of-bounds Write
Primary references
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Issue Tracking, Third Party Advisory
- cve@mitre.org — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory