What is CVE-2014-1391?

CVE-2014-1391 is a vulnerability in Apple Mac OS X, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-09-19.

Is CVE-2014-1391 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apple Mac OS X

CVE-2014-1391

QT Media Foundation in Apple OS X before 10.9.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted movie file with RLE encoding.

Vulnerability class: Buffer Overflow

Published 2014-09-19 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.042 (90.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000

Affected products

Apple Mac OS X — versions 10.7.5, 10.8.5, 10.9
Apple Mac OS X Server — versions 10.7.5

Weakness classification (CWE)

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

Public proof-of-concept exploits

CyberSecAI/cve_

References

support.apple.com/kb/HT6493
www.securitytracker.com/id/1030868 (vdb-entry)
support.apple.com/kb/HT6443 (Vendor Advisory)
www.securityfocus.com/bid/69907 (vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/96049 (vdb-entry)

Frequently asked questions

What is CVE-2014-1391?: CVE-2014-1391 is a vulnerability in Apple Mac OS X, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-09-19.
Is CVE-2014-1391 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.