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TI-2021-20878 Aliases CVE-2021-45846GHSA-p759-2vgj-jpmp

A flaw in the AMF parser of Slic3r libslic3r 1.3.0 allows an attacker to cause an…

Priority LOW 26CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

A flaw in the AMF parser of Slic3r libslic3r 1.3.0 allows an attacker to cause an application crash using a crafted AMF document, where a metadata tag lacks a "type" attribute.

Why it matters now

EPSS 0.00667 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:slic3r:slic3r:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableSlic3r
  • cpe:2.3:a:slic3r:slic3r:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·Slic3r

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45846
  2. 2026-10-03 Alias added: GHSA-p759-2vgj-jpmp
  3. 2026-10-12 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2021-20879 Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences