SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-2547

It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

EXPLOIT ✓HIGH 8.8EPSS 15.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 15.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 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.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
15.54% probability · 97th percentile
Public exploits
1 in Exploit-DB · verified · first 16 June 2017
CISA KEV
Not listed
Weakness
CWE-119
Affected
apple/safari · apple/iphone os
Source
product-security@apple.com
EPSS trend
0%10%20%21 September 2026: 12.36%22 September 2026: 14.35%3 October 2026: 15.54%27 October 2026: 15.54%21 September 202627 October 2026

EPSS moved from 12.4% on 21 September 2026 to 15.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-42190source ↗WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlockmultiple · Google Security Researchdos16 June 2017yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.