CVE-2021-44962

Name: CVE-2021-44962
Creator: NVD / NIST
Published: 2022-03-01T02:15:07.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2021-44962 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.91%

55.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Slic3r	Libslic3r	1.3.0

References

https://hackmd.io/KSI1bwGfSyO7T8UCf0HeTwExploit, Third Party Advisory
https://slic3r.orgProduct, Vendor Advisory
https://hackmd.io/KSI1bwGfSyO7T8UCf0HeTwExploit, Third Party Advisory
https://slic3r.orgProduct, Vendor Advisory

Timeline

Published: Mar 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44962?

How severe is CVE-2021-44962?

CVE-2021-44962 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44962?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44962?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST