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MediumFix available

assimp security update

Type: advisorySource: OSV1 source record

Assimp is a library to load and process geometric scenes from various data formats. Assimp aims to provide a full asset conversion pipeline for use in game engines and real-time rendering systems of any kind, but is not limited to this purpose. Security Fix(es): 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.(CVE-2026-82591)

Announced Group revision 1
Original source ↗

OESA-2026-4024

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:OESA-2026-4024

assimp

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
5.3.1-22.oe2403sp1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "5.3.1-22.oe2403sp1"
          }
        ]
      }
    ],
    "package": {
      "name": "assimp",
      "purl": "pkg:rpm/openEuler/assimp&distro=openEuler-24.03-LTS-SP1",
      "ecosystem": "openEuler:24.03-LTS-SP1"
    },
    "database_specific": {
      "source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4024.json"
    },
    "ecosystem_specific": {
      "src": [
        "assimp-5.3.1-22.oe2403sp1.src.rpm"
      ],
      "noarch": [
        "assimp-help-5.3.1-22.oe2403sp1.noarch.rpm",
        "python3-assimp-5.3.1-22.oe2403sp1.noarch.rpm"
      ],
      "x86_64": [
        "assimp-5.3.1-22.oe2403sp1.x86_64.rpm",
        "assimp-debuginfo-5.3.1-22.oe2403sp1.x86_64.rpm",
        "assimp-debugsource-5.3.1-22.oe2403sp1.x86_64.rpm",
        "assimp-devel-5.3.1-22.oe2403sp1.x86_64.rpm"
      ],
      "aarch64": [
        "assimp-5.3.1-22.oe2403sp1.aarch64.rpm",
        "assimp-debuginfo-5.3.1-22.oe2403sp1.aarch64.rpm",
        "assimp-debugsource-5.3.1-22.oe2403sp1.aarch64.rpm",
        "assimp-devel-5.3.1-22.oe2403sp1.aarch64.rpm"
      ]
    }
  }
]

Publisher severity

medium

Source reference: /database_specific/severity

Event
#14660 · Revision 1
Added to Heist Feed
Publisher date
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