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mumble — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-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.

Products
mumble
Affected versions
Not specified
Fixed versions
1.2.6-1
CVEs
CVE-2014-3756
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 21:46 UTC · Revision 1

Source evidence

DEBIAN-CVE-2014-3756

core-osv · Original source

Published 16 Nov 2014, 11:59 UTC

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.

osv:DEBIAN-CVE-2014-3756

mumble

Fixed versions: 1.2.6-1

mumble

Fixed versions: 1.2.6-1

mumble

Fixed versions: 1.2.6-1

Complete source record
{
  "id": "aefae632bb9dc17512c5c7baf18e93494b4097572fc719eae20602b0ceb8213e",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2014-3756",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2014-3756",
    "summary": "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.",
    "evidence": "osv:DEBIAN-CVE-2014-3756",
    "products": [
      {
        "name": {
          "value": "mumble",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.2.6-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mumble",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.2.6-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "mumble",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.2.6-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "DEBIAN-CVE-2014-3756",
      "aliases": [
        "DEBIAN-CVE-2014-3756"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.2.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "mumble",
            "purl": "pkg:deb/debian/mumble?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2014-3756.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.2.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "mumble",
            "purl": "pkg:deb/debian/mumble?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2014-3756.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.2.6-1"
                }
              ]
            }
          ],
          "package": {
            "name": "mumble",
            "purl": "pkg:deb/debian/mumble?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2014-3756.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T15:47:37.077058933Z",
      "provider": "osv",
      "upstream": [
        "CVE-2014-3756"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2014-3756"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2014-3756",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 414387,
  "published_at": "2014-11-16T11:59:03.887+00:00"
}