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Fencer Intel
critical 10.0

CVE-2014-1303 in the critical feed json

Heap-based buffer overflow in Apple Safari 7.0.2 allows remote attackers to execute arbitrary code and bypass a sandbox protection mechanis…

published 2014-03-26 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-1381

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
34.8%
EPSS 34.8% chance of exploitation in 30 days, percentile 98%
public exploits
2
Exploit-DB

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-1303 updated cvss 5.1

webkitgtk: heap-based buffer overflow (WSA-2015-0001)

  • Red Hat Enterprise Linux 6 webkitgtk Red Hat Enterprise Linux 7 webkitgtk3, libwebkit2gtk
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-44200)

Exploit prediction

34.78% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44204 WebKitGTK 2.1.2 (Ubuntu 14.04) - Heap based Buffer Overflow local, 2017-08-19
  • EDB-44200 Sony Playstation 4 (PS4) < 2.50 - WebKit Code Execution (PoC) local, 2016-04-21

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.