High severity8.8NVD Advisory· Published May 22, 2017· Updated May 13, 2026

CVE-2017-2521

Description

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Affected products

Apple Inc./Iphone Os
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <10.3.2
Apple Inc./Mac Os X
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Range: <10.12.5
Apple Inc./tvOS
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Range: <10.2.1
Apple Inc./watchOS
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Range: <3.2.2

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.exploit-db.com/exploits/42103/nvdExploitThird Party AdvisoryVDB Entry
www.securityfocus.com/bid/98456nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1038487nvdThird Party AdvisoryVDB Entry
security.gentoo.org/glsa/201706-15nvdThird Party Advisory
support.apple.com/HT207798nvdVendor Advisory
support.apple.com/HT207800nvdVendor Advisory
support.apple.com/HT207801nvdVendor Advisory
support.apple.com/HT207804nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.572
epss	0.005
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000