CVE-2014-3756

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-16 · updated 2026-06-17
Weakness: CWE-19

Description

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.

Affected products

Mumble: 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.3-rc1, 1.2.3-rc2 (+5)

References

http://mumble.info/security/Mumble-SA-2014-006.txt
http://www.openwall.com/lists/oss-security/2014/05/15/1
http://www.openwall.com/lists/oss-security/2014/05/15/4
http://www.securityfocus.com/bid/67401
http://mumble.info/security/Mumble-SA-2014-006.txt
http://www.openwall.com/lists/oss-security/2014/05/15/1
http://www.openwall.com/lists/oss-security/2014/05/15/4
http://www.securityfocus.com/bid/67401

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