CVE-2021-44962
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r...
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
CVE-2021-44962- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
CVE-2021-44962- Updated
- 2026-11-02
EUVDEUVD-2021-31760 No score
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
EUVD-2021-31760- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9h2v-fpgf-w4vw
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r...
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
GHSA-9h2v-fpgf-w4vw- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
CVE-2021-44962- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-44962
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
DEBIAN-CVE-2021-44962- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-44962
An out-of-bounds read vulnerability exists in the GCode::extrude() functionality of Slic3r libslic3r 1.3.0 and Master Commit b1a5500. A specially crafted stl file could lead to information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
UBUNTU-CVE-2021-44962- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
slic3rDebian:12 |
All versions, plus listed versions 1.3.0+dfsg1-51.3.0+dfsg1-5.11.3.0+dfsg1-6 |
None known |
slic3rUbuntu:16.04:LTS |
All versions, plus listed versions 1.2.9+dfsg-21.2.9+dfsg-2build1 |
None known |
slic3rUbuntu:18.04:LTS |
All versions, plus listed versions 1.2.9+dfsg-6.11.2.9+dfsg-81.2.9+dfsg-9 |
None known |
slic3rUbuntu:20.04:LTS |
All versions, plus listed versions 1.3.0+dfsg1-31.3.0+dfsg1-3build11.3.0+dfsg1-3ubuntu1 |
None known |
slic3rUbuntu:22.04:LTS |
All versions, plus listed versions 1.3.0+dfsg1-51.3.0+dfsg1-5build1 |
None known |
slic3rUbuntu:24.04:LTS |
All versions, plus listed versions 1.3.0+dfsg1-5build21.3.0+dfsg1-5build31.3.0+dfsg1-5build41.3.0+dfsg1-5build51.3.0+dfsg1-5build6 |
None known |
slic3rUbuntu:25.10 |
All versions, plus listed versions 1.3.0+dfsg1-5.11.3.0+dfsg1-5.1build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44962 is a medium vulnerability (CVSS 5.5) in Slic3r Libslic3r, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.