CVE-2014-6440

Exp

VideoLAN VLC media player before 2.1.5 allows remote attackers to execute arbitrary code or cause a denial of service.

Published: 2017-03-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-6440 is rated High Exploit Risk (84.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.98%, 91th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2014-6440

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-6440

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 6.70% 4.98% -1.72%
2 2026-05-13 5.34% 6.70% +1.36%
3 2025-11-29 — 5.34% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-6440

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2014-6440

OS Trackers for CVE-2014-6440

vendor priority summary link
debian low CVE-2014-6440 low priority: Debian including 1 source packages (vlc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-6440
gentoo normal CVE-2014-6440: 1 GLSA(s) (201603-08), 1 atom(s) (media-video/vlc); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-6440
ubuntu medium CVE-2014-6440 medium priority: Ubuntu including 1 source packages (vlc), 10 status rows across 10 suites (lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 6, ignored 2, released 2. https://ubuntu.com/security/CVE-2014-6440

Affected software / configurations for CVE-2014-6440

Vendor Product Version Raw CPE
videolan vlc <= 2.1.4 cpe:2.3:a:videolan:vlc:*:*:*:*:*:*:*:*

References for CVE-2014-6440

URL Tags
http://billblough.net/blog/2015/03/04/cve-2014-6440-heap-overflow-in-vlc-transcode-module/ Exploit Patch Technical Description Third Party Advisory
http://seclists.org/oss-sec/2015/q1/751 Patch Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/72950 Third Party Advisory VDB Entry
http://www.videolan.org/developers/vlc-branch/NEWS Release Notes Vendor Advisory
https://security.gentoo.org/glsa/201603-08 Third Party Advisory VDB Entry
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