SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2014-1303

Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox protection mechanism via unspecified vectors, as demonstrated by Liang Chen during a Pwn2Own competition at CanSecWest 2014.

EXPLOIT ×2HIGH 10.0EPSS 34.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 34.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox protection mechanism via unspecified vectors, as demonstrated by Liang Chen during a Pwn2Own competition at CanSecWest 2014.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
34.78% probability · 98th percentile
Public exploits
2 in Exploit-DB · first 21 April 2016
CISA KEV
Not listed
Weakness
CWE-119
Affected
apple/safari
Source
product-security@apple.com
EPSS trend
0%18%35%4 November 2026: 34.78%4 November 20264 November 2026

EPSS 34.8% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (2)

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-44204source ↗WebKitGTK 2.1.2 (Ubuntu 14.04) - Heap based Buffer Overflowlinux · Ren Kimuralocal19 August 2017no
EDB-44200source ↗Sony Playstation 4 (PS4) < 2.50 - WebKit Code Execution (PoC)hardware · TJ Corleylocal21 April 2016no

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