CVE-2014-1916

The (1) opus_packet_get_nb_frames and (2) opus_packet_get_samples_per_frame functions in the client in MumbleKit before commit fd190328a9b24d37382b269a5674b0c0c7a7e36d and Mumble for iOS 1.1 through 1.2.2 do not properly check the return value of the copyDataBlock method, which allow remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted length prefix value in an Opus voice packet.

Published: 2014-02-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-1916 is rated Moderate Risk (47.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.73%). EPSS rose +1.26% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2014-1916

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 0.47% 1.73% +1.26%
2 2025-03-17 0.23% 0.47% +0.25%
3 2023-03-07 — 0.23% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1916

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-1916

OS Trackers for CVE-2014-1916

vendor priority summary link
ubuntu low CVE-2014-1916 low priority: Ubuntu including 1 source packages (mumble), 5 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): not-affected 5. https://ubuntu.com/security/CVE-2014-1916

Affected software / configurations for CVE-2014-1916

Vendor Product Version Raw CPE
light_speed_gaming mumble 1.1 cpe:2.3:a:light_speed_gaming:mumble:1.1:*:*:*:*:iphone_os:*:*
light_speed_gaming mumble 1.1 cpe:2.3:a:light_speed_gaming:mumble:1.1:rc1:*:*:*:iphone_os:*:*
light_speed_gaming mumble 1.1.1 cpe:2.3:a:light_speed_gaming:mumble:1.1.1:*:*:*:*:iphone_os:*:*
light_speed_gaming mumble 1.2 cpe:2.3:a:light_speed_gaming:mumble:1.2:*:*:*:*:iphone_os:*:*
light_speed_gaming mumble 1.2.1 cpe:2.3:a:light_speed_gaming:mumble:1.2.1:*:*:*:*:iphone_os:*:*
light_speed_gaming mumble 1.2.2 cpe:2.3:a:light_speed_gaming:mumble:1.2.2:*:*:*:*:iphone_os:*:*
light_speed_gaming mumblekit — cpe:2.3:a:light_speed_gaming:mumblekit:-:*:*:*:*:*:*:*

References for CVE-2014-1916

cvelogic Threat Intelligence