Medium
leocad — security advisory
LeoCAD before 21.03 sometimes allows a use-after-free during the opening of a new document.
- Products
- leocad
- Affected versions
- 21.06-1, 23.03-1, 23.03-2, 23.03-3, 25.09-1, 26.09-1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-31804
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:23 UTC · Revision 1
Source evidence
LeoCAD before 21.03 sometimes allows a use-after-free during the opening of a new document.
osv:DEBIAN-CVE-2021-31804
leocad
Fixed versions: Not specified
leocad
Fixed versions: Not specified
leocad
Fixed versions: Not specified
Complete source record
{
"id": "88808494a806a147f9293059d4689f234dc78e21ed100764942c5b0f0f30f952",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-31804",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-31804",
"summary": "LeoCAD before 21.03 sometimes allows a use-after-free during the opening of a new document.",
"evidence": "osv:DEBIAN-CVE-2021-31804",
"products": [
{
"name": {
"value": "leocad",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "21.06-1",
"evidence": "/affected/0/versions"
},
{
"value": "23.03-1",
"evidence": "/affected/0/versions"
},
{
"value": "23.03-2",
"evidence": "/affected/0/versions"
},
{
"value": "23.03-3",
"evidence": "/affected/0/versions"
},
{
"value": "25.09-1",
"evidence": "/affected/0/versions"
},
{
"value": "26.09-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "leocad",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "23.03-3",
"evidence": "/affected/1/versions"
},
{
"value": "25.09-1",
"evidence": "/affected/1/versions"
},
{
"value": "26.09-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "leocad",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "23.03-3",
"evidence": "/affected/2/versions"
},
{
"value": "25.09-1",
"evidence": "/affected/2/versions"
},
{
"value": "26.09-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2021-31804",
"aliases": [
"DEBIAN-CVE-2021-31804"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "leocad",
"purl": "pkg:deb/debian/leocad?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"21.06-1",
"23.03-1",
"23.03-2",
"23.03-3",
"25.09-1",
"26.09-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-31804.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "leocad",
"purl": "pkg:deb/debian/leocad?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"23.03-3",
"25.09-1",
"26.09-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-31804.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "leocad",
"purl": "pkg:deb/debian/leocad?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"23.03-3",
"25.09-1",
"26.09-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-31804.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:03:14.588178853Z",
"provider": "osv",
"upstream": [
"CVE-2021-31804"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-31804"
]
},
"related_cves": [
{
"value": "CVE-2021-31804",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420922,
"published_at": "2021-04-26T08:15:07.183+00:00"
}