High
Security advisory
A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-28596
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:36 UTC · Revision 1
Source evidence
A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
osv:CVE-2020-28596
Complete source record
{
"id": "16ab82edc7eef4325b86194d147a7a4f466fbfdcbe8ac7131639725c59fa39bd",
"url": "https://osv.dev/vulnerability/CVE-2020-28596",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-28596",
"summary": "A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.",
"evidence": "osv:CVE-2020-28596",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-28596",
"aliases": [
"CVE-2020-28596"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/prusa3d/prusaslicer",
"type": "GIT",
"events": [
{
"introduced": "d5bcddeed333e6be567de517bc22c69fc5559b7e"
},
{
"last_affected": "d5bcddeed333e6be567de517bc22c69fc5559b7e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:prusa3d:prusaslicer:2.2.0:-:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0-NA"
},
{
"last_affected": "2.2.0-NA"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.2.0-NA",
"version_2.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-28596.json"
}
}
],
"modified": "2026-10-24T10:30:55.645781357Z",
"provider": "osv",
"references": [
"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1220"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-28596",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438469,
"published_at": "2021-02-10T22:15:13.53+00:00"
}