Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2014-3756

The client in Mumble 1.2.x before 1.2.6 allows remote attackers to force the loading of an external file and cause a denial of service (hang and resource consumption) via a crafted string that is treated as rich-text by a Qt widget, as demonstrated by the (1) user or (2) channel name in a Qt dialog, (3) subject common name or (4) email address to the Certificate Wizard, or (5) server name in a tooltip.

Security Impact Summary

CVE-2014-3756 is a security vulnerability that . Impacting 1 product from mumble organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-11-16T11:59:03.887

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-19

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mumble	mumble	1.2.0	Yes
Application	mumble	mumble	1.2.1	Yes
Application	mumble	mumble	1.2.2	Yes
Application	mumble	mumble	1.2.3	Yes
Application	mumble	mumble	1.2.3	Yes
Application	mumble	mumble	1.2.3	Yes
Application	mumble	mumble	1.2.3	Yes
Application	mumble	mumble	1.2.4	Yes
Application	mumble	mumble	1.2.4	Yes
Application	mumble	mumble	1.2.4	Yes
Application	mumble	mumble	1.2.5	Yes

References

http://mumble.info/security/Mumble-SA-2014-006.txt Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2014/05/15/1 ([email protected])
http://www.openwall.com/lists/oss-security/2014/05/15/4 ([email protected])
http://www.securityfocus.com/bid/67401 ([email protected])
http://mumble.info/security/Mumble-SA-2014-006.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/05/15/1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/05/15/4 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/67401 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mumble's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.