Vulnerability · Published Mar 1, 2022 · Assigned by mitre
CVE-2021-44961
Medium 5.5
In plain English
A medium-severity security flaw in the slic3r package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A memory leakage flaw exists in the class PerimeterGenerator of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. Specially crafted stl files can exhaust available memory. An attacker can provide malicious files to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | slic3r | no fix listed | DEBIAN-CVE-2021-44961 |
| Ubuntu:22.04:LTS | slic3r | no fix listed | UBUNTU-CVE-2021-44961 |
| Ubuntu:24.04:LTS | slic3r | no fix listed | UBUNTU-CVE-2021-44961 |
| Ubuntu:25.10 | slic3r | no fix listed | UBUNTU-CVE-2021-44961 |