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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.82% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/safari
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/97298Third Party Advisory, VDB Entry
- https://bugs.webkit.org/show_bug.cgi?id=167239Issue Tracking, Third Party Advisory
- https://trac.webkit.org/changeset/211479Issue Tracking, Third Party Advisory
- http://www.securityfocus.com/bid/97298Third Party Advisory, VDB Entry
- https://bugs.webkit.org/show_bug.cgi?id=167239Issue Tracking, Third Party Advisory
- https://trac.webkit.org/changeset/211479Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.