Description
A segmentation fault (SEGV) was detected in the SortByPTypeProcess::Execute function in the Assimp library during fuzz testing with AddressSanitizer. The crash occurred due to a read access to an invalid memory address (0x1000c9714971).
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 | No fix yet | — |
| Debian 13 | assimp | No fix yet | — |
| Debian 12 | assimp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | assimp +3 | No fix yet | — |
| Ubuntu 26.04 LTS | assimp +3 | No fix yet | — |
| Ubuntu 25.10 | assimp +3 | No fix yet | — |
| Ubuntu 24.04 LTS | assimp +3 | No fix yet | — |
| Ubuntu 22.04 LTS | assimp +3 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | assimp +1 | No fix yet | — |
| Ubuntu 18.04 LTS | assimp +1 | No fix yet | — |
| Ubuntu 16.04 LTS | assimp +1 | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | assimp | 6.0.1-1.1 | openSUSE-SU-2025:15198-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | pyassimp | <= 5.4.3 | — | PYSEC-2024-294 |
Advisories 1
- openSUSE-SU-2025:15198-1 assimp-devel-6.0.1-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026