Medium
Security advisory
A flaw in the AMF parser of Slic3r libslic3r 1.3.0 allows an attacker to cause an application crash using a crafted AMF document, where a metadata tag lacks a "type" attribute.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-45846
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:23 UTC · Revision 1
Source evidence
A flaw in the AMF parser of Slic3r libslic3r 1.3.0 allows an attacker to cause an application crash using a crafted AMF document, where a metadata tag lacks a "type" attribute.
osv:CVE-2021-45846
Complete source record
{
"id": "8c937322fee530cbbb750c56ca5718431ec4cf4317e1926af8f0bd21bac0108e",
"url": "https://osv.dev/vulnerability/CVE-2021-45846",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-45846",
"summary": "A flaw in the AMF parser of Slic3r libslic3r 1.3.0 allows an attacker to cause an application crash using a crafted AMF document, where a metadata tag lacks a \"type\" attribute.",
"evidence": "osv:CVE-2021-45846",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-45846",
"aliases": [
"CVE-2021-45846"
],
"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": [
{
"repo": "https://github.com/slic3r/slic3r",
"type": "GIT",
"events": [
{
"introduced": "3ba8e0f36948276d3620a8627449e17f183ced54"
},
{
"last_affected": "3ba8e0f36948276d3620a8627449e17f183ced54"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:slic3r:slic3r:1.3.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.0"
},
{
"last_affected": "1.3.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.3.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45846.json"
}
}
],
"modified": "2026-10-20T10:54:12.288871075Z",
"provider": "osv",
"references": [
"https://github.com/slic3r/Slic3r/issues/5117"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-45846",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384942,
"published_at": "2022-01-25T14:15:08.807+00:00"
}