Description
A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::ASE::Parser::ParseLV4MeshBonesVertices of the file code/AssetLib/ASE/ASEParser.cpp of the component ASE File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is e8a6286542924e628e02749c4f5ac4f91fdae71b. It is recommended to apply a patch to fix this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Open Asset Import Library | Assimp | 5.4.3 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | assimp | 6.0.2+ds-1 | — |
| Debian 13 | assimp | No fix yet | — |
| Debian 12 | assimp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | assimp | No fix yet | — |
| Ubuntu 26.04 LTS | assimp | No fix yet | — |
| Ubuntu 25.10 | assimp | No fix yet | — |
| Ubuntu 24.04 LTS | assimp | No fix yet | — |
| Ubuntu 22.04 LTS | assimp | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | assimp | No fix yet | — |
| Ubuntu 18.04 LTS | assimp | No fix yet | — |
| Ubuntu 16.04 LTS | assimp | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | qt5-qt3d +2 | 5.15.9-2.el9_6 | RHSA-2025:12842 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | qt5-qt3d +2 | 5.15.9-2.el9_4 | RHSA-2025:15407 |
| RHEL 9.2 E4S | qt5-qt3d +2 | 5.15.3-2.el9_2 | RHSA-2025:15347 |
| RHEL 9.0 E4S | qt5-qt3d +2 | 5.15.2-10.el9_0 | RHSA-2025:15463 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | qt5-qt3d | 5.15.9-2.el9_6 | RLSA-2025:12842 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | assimp | 6.0.1-1.1 | openSUSE-SU-2025:15198-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qt5-qt3d +2 | 5.15.3-1.amzn2.0.5 | ALAS2-2025-2848 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | qt5-qt3d +2 | 5.15.9-2.el9_6 | ELSA-2025-12842 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | pyassimp | <= 5.4.3 | — | PYSEC-2025-263 |
Advisories 9
- RHSA-2025:15463 Red Hat Security Advisory: qt5-qt3d security update Red Hat Security Advisories (RHSA) · Jul 12, 2026
- RHSA-2025:15407 Red Hat Security Advisory: qt5-qt3d security update Red Hat Security Advisories (RHSA) · Jul 12, 2026
- RHSA-2025:15347 Red Hat Security Advisory: qt5-qt3d security update Red Hat Security Advisories (RHSA) · Jul 12, 2026
- RHSA-2025:12842 Red Hat Security Advisory: qt5-qt3d security update Red Hat Security Advisories (RHSA) · Jul 12, 2026
- openSUSE-SU-2025:15198-1 assimp-devel-6.0.1-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- RLSA-2025:12842 Moderate: qt5-qt3d security update Rocky Linux Security Advisories · Oct 7, 2025
- WID-SEC-2025-1977 Red Hat Enterprise Linux (assimp): Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Sep 7, 2025
- ELSA-2025-12842 Moderate: qt5-qt3d security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 5, 2025
- ALAS2-2025-2848 Moderate: qt5-qt3d security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · May 13, 2025
References
- VDB-303105 | Open Asset Import Library Assimp ASE File ASEParser.cpp ParseLV4MeshBonesVertices heap-based overflow vdb-entry technical-description
- VDB-303105 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #542247 | Open Asset Import Library Assimp >=5.4.3 Heap-based Buffer Overflow third-party-advisory
- https://github.com/assimp/assimp/issues/6024 issue-tracking
- https://github.com/assimp/assimp/pull/6051 issue-tracking
- https://github.com/assimp/assimp/issues/6024#issue-2877382033 exploit issue-tracking
- https://github.com/tellypresence/assimp/commit/e8a6286542924e628e02749c4f5ac4f91fdae71b patch