High
tuxguitar — security advisory
An issue was discovered in io/gpx/GPXDocumentReader.java in TuxGuitar 1.5.4. It uses misconfigured XML parsers, leading to XXE while loading GP6 (.gpx) and GP7 (.gp) tablature files.
- Products
- tuxguitar
- Affected versions
- 1.2-20build1, 1.2-21, 1.2-22, 1.2-23, 1.2-24, 1.2-24ubuntu1, 1.2-25, 1.2-25build1, 1.2-25build2, 1.5.6+dfsg1-6, 1.5.6+dfsg1-7, 1.5.6+dfsg1-8, 1.5.6+dfsg1-8build2, 1.5.6+dfsg1-8build3, 1.6.6+dfsg1-2, 1.6.6+dfsg1-3, 2.0.0+dfsg1-1, 2.0.0+dfsg1-2, 2.0.0+dfsg1-3
- Fixed versions
- Not specified
- CVEs
- CVE-2020-14940
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:33 UTC · Revision 1
Source evidence
An issue was discovered in io/gpx/GPXDocumentReader.java in TuxGuitar 1.5.4. It uses misconfigured XML parsers, leading to XXE while loading GP6 (.gpx) and GP7 (.gp) tablature files.
osv:UBUNTU-CVE-2020-14940
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
tuxguitar
Fixed versions: Not specified
Complete source record
{
"id": "9301e3ee2d4b3399cfd0b3fa52f40f0217e3c372090d94ac31e966147e705d86",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-14940",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-14940",
"summary": "An issue was discovered in io/gpx/GPXDocumentReader.java in TuxGuitar 1.5.4. It uses misconfigured XML parsers, leading to XXE while loading GP6 (.gpx) and GP7 (.gp) tablature files.",
"evidence": "osv:UBUNTU-CVE-2020-14940",
"products": [
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2-20build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.2-21",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2-22",
"evidence": "/affected/1/versions"
},
{
"value": "1.2-23",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2-23",
"evidence": "/affected/2/versions"
},
{
"value": "1.2-24",
"evidence": "/affected/2/versions"
},
{
"value": "1.2-24ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "1.2-25",
"evidence": "/affected/2/versions"
},
{
"value": "1.2-25build1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2-25build1",
"evidence": "/affected/3/versions"
},
{
"value": "1.2-25build2",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.5.6+dfsg1-6",
"evidence": "/affected/4/versions"
},
{
"value": "1.5.6+dfsg1-7",
"evidence": "/affected/4/versions"
},
{
"value": "1.5.6+dfsg1-8",
"evidence": "/affected/4/versions"
},
{
"value": "1.5.6+dfsg1-8build2",
"evidence": "/affected/4/versions"
},
{
"value": "1.5.6+dfsg1-8build3",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.6.6+dfsg1-2",
"evidence": "/affected/5/versions"
},
{
"value": "1.6.6+dfsg1-3",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.0.0+dfsg1-3",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "tuxguitar",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.6.6+dfsg1-3",
"evidence": "/affected/7/versions"
},
{
"value": "2.0.0+dfsg1-1",
"evidence": "/affected/7/versions"
},
{
"value": "2.0.0+dfsg1-2",
"evidence": "/affected/7/versions"
},
{
"value": "2.0.0+dfsg1-3",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2020-14940",
"aliases": [
"UBUNTU-CVE-2020-14940"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"1.2-20build1",
"1.2-21"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "1.2-21"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "1.2-21"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "1.2-21"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "1.2-21"
},
{
"binary_name": "tuxguitar-jsa",
"binary_version": "1.2-21"
},
{
"binary_name": "tuxguitar-oss",
"binary_version": "1.2-21"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"1.2-22",
"1.2-23"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "1.2-23"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "1.2-23"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "1.2-23"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "1.2-23"
},
{
"binary_name": "tuxguitar-jsa",
"binary_version": "1.2-23"
},
{
"binary_name": "tuxguitar-oss",
"binary_version": "1.2-23"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.2-23",
"1.2-24",
"1.2-24ubuntu1",
"1.2-25",
"1.2-25build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "1.2-25build1"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "1.2-25build1"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "1.2-25build1"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "1.2-25build1"
},
{
"binary_name": "tuxguitar-jsa",
"binary_version": "1.2-25build1"
},
{
"binary_name": "tuxguitar-oss",
"binary_version": "1.2-25build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.2-25build1",
"1.2-25build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "1.2-25build2"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "1.2-25build2"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "1.2-25build2"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "1.2-25build2"
},
{
"binary_name": "tuxguitar-jsa",
"binary_version": "1.2-25build2"
},
{
"binary_name": "tuxguitar-oss",
"binary_version": "1.2-25build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.5.6+dfsg1-6",
"1.5.6+dfsg1-7",
"1.5.6+dfsg1-8",
"1.5.6+dfsg1-8build2",
"1.5.6+dfsg1-8build3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "1.5.6+dfsg1-8build3"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "1.5.6+dfsg1-8build3"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "1.5.6+dfsg1-8build3"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "1.5.6+dfsg1-8build3"
},
{
"binary_name": "tuxguitar-jsa",
"binary_version": "1.5.6+dfsg1-8build3"
},
{
"binary_name": "tuxguitar-oss",
"binary_version": "1.5.6+dfsg1-8build3"
},
{
"binary_name": "tuxguitar-synth-lv2",
"binary_version": "1.5.6+dfsg1-8build3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.6.6+dfsg1-2",
"1.6.6+dfsg1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "1.6.6+dfsg1-3"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "1.6.6+dfsg1-3"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "1.6.6+dfsg1-3"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "1.6.6+dfsg1-3"
},
{
"binary_name": "tuxguitar-synth-lv2",
"binary_version": "1.6.6+dfsg1-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"2.0.0+dfsg1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-synth-lv2",
"binary_version": "2.0.0+dfsg1-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "tuxguitar",
"purl": "pkg:deb/ubuntu/tuxguitar?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.6.6+dfsg1-3",
"2.0.0+dfsg1-1",
"2.0.0+dfsg1-2",
"2.0.0+dfsg1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14940.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tuxguitar",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-alsa",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-fluidsynth",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-jack",
"binary_version": "2.0.0+dfsg1-3"
},
{
"binary_name": "tuxguitar-synth-lv2",
"binary_version": "2.0.0+dfsg1-3"
}
]
}
}
],
"modified": "2026-10-17T12:55:44.413848570Z",
"provider": "osv",
"upstream": [
"CVE-2020-14940"
],
"references": [
"https://ubuntu.com/security/CVE-2020-14940",
"https://logicaltrust.net/blog/2020/06/tuxguitar.html",
"https://sourceforge.net/p/tuxguitar/bugs/126/",
"https://www.cve.org/CVERecord?id=CVE-2020-14940"
]
},
"related_cves": [
{
"value": "CVE-2020-14940",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354002,
"published_at": "2020-06-23T10:15:00+00:00"
}