CVE catalog

CVE-2026-10229

Severity: Medium · CVSS 4.8CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Published: Jun 1, 2026, 5:45:07 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.13% · Oct 25, 2026

A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project tagged the reported issue as bug.

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
Cpe	assimp	Not reported	Not reported	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	assimp	source	sid	`(unfixed)`	not yet assigned	Not reported	[1139916]
Debian	assimp	source	forky	`(unfixed)`	not yet assigned	Not reported	[1139916]
Debian	assimp	source	trixie	`(unfixed)`	not yet assigned	Not reported	[1139916]
Debian	assimp	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1139916]

[Debian bug #1139916]

Notes

[trixie] assimp: Minor issue, revisit when fixed upstream [bookworm] assimp: Minor issue, revisit when fixed upstream

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, 9:49:29 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]