DEBIAN-CVE-2026-82591
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.
DEBIAN-CVE-2026-82591
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:DEBIAN-CVE-2026-82591
assimp
Source reference: /affected/0/package/name
- Affected versions
- 5.2.5~ds0-1
Source reference:
/affected/0/versions5.2.5~ds0-1.1Source reference:
/affected/0/versions5.3.1+ds-1Source reference:
/affected/0/versions5.3.1+ds-2Source reference:
/affected/0/versions5.4.0+ds-1Source reference:
/affected/0/versions5.4.1+ds-1Source reference:
/affected/0/versions5.4.2+ds-1Source reference:
/affected/0/versions5.4.3+ds-2Source reference:
/affected/0/versions5.4.3+ds-3Source reference:
/affected/0/versions6.0.2+ds-1Source reference:
/affected/0/versions6.0.3+ds-1Source reference:
/affected/0/versions6.0.4+ds-1Source reference:
/affected/0/versions6.0.4+ds-3Source reference:
/affected/0/versions6.0.5+ds-1Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
assimp
Source reference: /affected/1/package/name
- Affected versions
- 5.4.3+ds-2
Source reference:
/affected/1/versions5.4.3+ds-3Source reference:
/affected/1/versions6.0.2+ds-1Source reference:
/affected/1/versions6.0.3+ds-1Source reference:
/affected/1/versions6.0.4+ds-1Source reference:
/affected/1/versions6.0.4+ds-3Source reference:
/affected/1/versions6.0.5+ds-1Source reference:
/affected/1/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
assimp
Source reference: /affected/2/package/name
- Affected versions
- 5.4.3+ds-2
Source reference:
/affected/2/versions5.4.3+ds-3Source reference:
/affected/2/versions6.0.2+ds-1Source reference:
/affected/2/versions6.0.3+ds-1Source reference:
/affected/2/versions6.0.4+ds-1Source reference:
/affected/2/versions6.0.4+ds-3Source reference:
/affected/2/versions6.0.5+ds-1Source reference:
/affected/2/versions - Fixed versions
- Not stated in this record
- 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"
}
]
}
],
"package": {
"name": "assimp",
"purl": "pkg:deb/debian/assimp?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"5.2.5~ds0-1",
"5.2.5~ds0-1.1",
"5.3.1+ds-1",
"5.3.1+ds-2",
"5.4.0+ds-1",
"5.4.1+ds-1",
"5.4.2+ds-1",
"5.4.3+ds-2",
"5.4.3+ds-3",
"6.0.2+ds-1",
"6.0.3+ds-1",
"6.0.4+ds-1",
"6.0.4+ds-3",
"6.0.5+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-82591.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "assimp",
"purl": "pkg:deb/debian/assimp?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"5.4.3+ds-2",
"5.4.3+ds-3",
"6.0.2+ds-1",
"6.0.3+ds-1",
"6.0.4+ds-1",
"6.0.4+ds-3",
"6.0.5+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-82591.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "assimp",
"purl": "pkg:deb/debian/assimp?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"5.4.3+ds-2",
"5.4.3+ds-3",
"6.0.2+ds-1",
"6.0.3+ds-1",
"6.0.4+ds-1",
"6.0.4+ds-3",
"6.0.5+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-82591.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #58226 · Revision 1
- Added to Heist Feed
- Publisher date