CVE-2021-45847
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each...
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
CVE-2021-45847- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
CVE-2021-45847- Updated
- 2026-11-02
EUVDEUVD-2021-32565 No score
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
EUVD-2021-32565- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mg95-x73r-76mg No score
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each...
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
GHSA-mg95-x73r-76mg- Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
5.5
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
CVE-2021-45847- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2021-45847
5.5
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
DEBIAN-CVE-2021-45847- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-45847
5.5
Several missing input validations in the 3MF parser component of Slic3r libslic3r 1.3.0 can each allow an attacker to cause an application crash using a crafted 3MF input file.
- Record
UBUNTU-CVE-2021-45847- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - 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-2021-45847 is a medium vulnerability (CVSS 5.5) in Slic3r, published January 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. No source names a fixed version.
References
github.com/slic3r/Slic3r/issues/5118
github.com/slic3r/Slic3r/issues/5119
github.com/slic3r/Slic3r/issues/5120
nvd.nist.gov/vuln/detail/CVE-2021-45847
github.com/advisories/GHSA-mg95-x73r-76mg
security-tracker.debian.org/tracker/CVE-2021-45847
ubuntu.com/security/CVE-2021-45847
cve.org/CVERecord?id=CVE-2021-45847