CVE-2014-3756

Original summary

Normalized public record · Updated Oct 23, 2026

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.

Publisher and source text is retained separately from QFinch interpretation.

Affected products

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

1. Confirm the affected product and reachable code path exist in your environment.
2. Apply the vendor-supported patch or mitigation from the primary advisory.
3. Rescan the exact deployed revision and retain verification evidence.

Evidence coverage

SSVC priority

LOW

Confidence

Not available

Aliases

None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

1. mumble.info ↗
2. 67401 ↗
3. [oss-security] 20140514 Re: Mumble 1.2.6: Mumble-SA-2014-005 and Mumble-SA-2014-006 ↗
4. [oss-security] 20140515 Mumble 1.2.6: Mumble-SA-2014-005 and Mumble-SA-2014-006 ↗

Record history

Published Nov 16, 2014 · Last refreshed Oct 23, 2026