A stack-based buffer overflow vulnerability exists in the import_stl.cc:import_stl() functionality of Openscad openscad-2020.12-RC2. A specially crafted STL file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 4.8 → 6.6 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 4.8 |
Affected Software
| Vendor | Product | Version |
|---|
| fedoraproject | fedora | 32 |
| fedoraproject | fedora | 33 |
| n/a | Openscad | Openscad openscad-2020.12-RC2 |
| openscad | openscad | ≤ 2021.01 |
Published: 2021-02-24
