SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-1784

The History implementation in WebKit in Apple iOS before 9.3, Safari before 9.1, and tvOS before 9.2 allows remote attackers to cause a denial of service (resource consumption and application crash) via a crafted web site.

MEDIUM 6.5EPSS 1.36%

Does this matter?

Lower severity and a low EPSS score (1.36%). Track it; it rarely justifies an emergency change on its own.

Description

The History implementation in WebKit in Apple iOS before 9.3, Safari before 9.1, and tvOS before 9.2 allows remote attackers to cause a denial of service (resource consumption and application crash) via a crafted web site.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.36% probability · 72th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-400
Affected
apple/safari · apple/iphone os · apple/tvos
Source
product-security@apple.com
EPSS trend
0%3%5%26 October 2026: 1.36%26 October 202626 October 2026

EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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