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CVE-2020-28596

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of...

8.8 High

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.59%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 8.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
CVE-2020-28596
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
EUVDEUVD-2020-20994 8.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
EUVD-2020-20994
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-v5r5-m654-v47x 7.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of...

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
GHSA-v5r5-m654-v47x
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
NVD 7.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
CVE-2020-28596
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
OSV 7.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
CVE-2020-28596
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-28596 7.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
DEBIAN-CVE-2020-28596
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-28596 7.8

A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
UBUNTU-CVE-2020-28596
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
slic3r-prusa
Debian:12
 All versions, plus listed versions
2.5.0+dfsg-42.5.2+dfsg-12.6.0+dfsg-12.6.0+dfsg-22.6.0+dfsg-3
Show 26 moreShow less
2.6.1+dfsg-12.6.1+dfsg-22.6.1+dfsg-32.6.1+dfsg-42.6.1+dfsg-4.12.7.1+dfsg-12.7.2+dfsg-12.7.4+dfsg-12.7.4+dfsg-1.12.7.5~rc1+dfsg-12.8.0+dfsg-12.8.1+dfsg2-12.8.1+dfsg2-22.9.0+dfsg-12.9.1+dfsg-12.9.2+dfsg-12.9.2+dfsg-22.9.3+dfsg-12.9.3+dfsg-22.9.4+dfsg-12.9.4+dfsg-22.9.4+dfsg-32.9.4+dfsg-42.9.5+dfsg-12.9.6+dfsg-12.9.6+dfsg-2
 None known
slic3r-prusa
Debian:13
 All versions, plus listed versions
2.9.2+dfsg-12.9.2+dfsg-22.9.3+dfsg-12.9.3+dfsg-22.9.4+dfsg-1
Show 6 moreShow less
2.9.4+dfsg-22.9.4+dfsg-32.9.4+dfsg-42.9.5+dfsg-12.9.6+dfsg-12.9.6+dfsg-2
 None known
slic3r-prusa
Debian:14
 All versions, plus listed versions
2.9.2+dfsg-12.9.2+dfsg-22.9.3+dfsg-12.9.3+dfsg-22.9.4+dfsg-1
Show 6 moreShow less
2.9.4+dfsg-22.9.4+dfsg-32.9.4+dfsg-42.9.5+dfsg-12.9.6+dfsg-12.9.6+dfsg-2
 None known
slic3r-prusa
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.37.0+dfsg-1.11.37.0+dfsg-1.1build11.38.0+dfsg-11.39.0+dfsg-11.39.1+dfsg-3
 None known
slic3r-prusa
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.39.2+dfsg-1build31.39.2+dfsg-1build42.1.1+dfsg-12.1.1+dfsg-22.1.1+dfsg-2build12.1.1+dfsg-2build22.1.1+dfsg-2ubuntu1
 None known
slic3r-prusa
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.3.1+dfsg-12.4.0+dfsg-12.4.0+dfsg-2
 None known
slic3r-prusa
Ubuntu:24.04:LTS
 All versions, plus listed versions
2.5.2+dfsg-12.7.2+dfsg-1build12.7.2+dfsg-1build2
 None known
slic3r-prusa
Ubuntu:25.10
 All versions, plus listed versions
2.9.1+dfsg-12.9.2+dfsg-1
 None known
slic3r-prusa
Ubuntu:26.10
 All versions, plus listed versions
2.9.4+dfsg-42.9.6+dfsg-12.9.6+dfsg-1build1
 None known
slic3r-prusa
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.9.2+dfsg-12.9.4+dfsg-2ubuntu12.9.4+dfsg-4
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-28596 is a high vulnerability (CVSS 8.8) in Prusa3d Prusaslicer, published February 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.59%, the 75th percentile. No source names a fixed version.

References

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