CVE catalog

CVE-2026-82591

Severity: Medium · CVSS 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: Aug 30, 2026, 11:17:08 PM UTC
Updated: Aug 30, 2026, 11:17:08 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.17% · Oct 27, 2026

A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	assimp	sid	`6.0.5+ds-1`	vulnerable
Debian	assimp	forky	`6.0.5+ds-1`	vulnerable
Debian	assimp	trixie	`5.4.3+ds-2`	vulnerable
Debian	assimp	bookworm	`5.2.5~ds0-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	assimp	source	sid	`(unfixed)`	not yet assigned	Not reported	[1146642]
Debian	assimp	source	forky	`(unfixed)`	not yet assigned	Not reported	[1146642]
Debian	assimp	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1146642]
Debian	assimp	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1146642]

[Debian bug #1146642]

Notes

[trixie] assimp: Minor issue [bookworm] assimp: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[assimp-testmodels]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[assimp-utils]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1+b1 · amd64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1+b1 · arm64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[libassimp5]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1+b1 · amd64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1+b1 · arm64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[libassimp-dev]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1+b1 · amd64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1+b1 · arm64 · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[libassimp-doc]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
[python3-pyassimp]Affected
Source package: [assimp]
Details (2)
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12
- 5.2.5~ds0-1 · all · bookworm
  Affected
  nvd · assimp · debian · bookworm; nvd · assimp · debian · 12

[Debian 13 (Trixie)]

[assimp-testmodels]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
[assimp-utils]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · amd64 · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · arm64 · trixie
  Affected
  nvd · assimp · debian · 13
[libassimp5]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · amd64 · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · arm64 · trixie
  Affected
  nvd · assimp · debian · 13
[libassimp-dev]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · amd64 · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · arm64 · trixie
  Affected
  nvd · assimp · debian · 13
[libassimp-doc]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
[python3-pyassimp]Affected
Source package: [assimp]
Details (2)
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13
- 5.4.3+ds-2 · all · trixie
  Affected
  nvd · assimp · debian · 13

Observed: Oct 23, 2026, 9:33:38 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]