Staging Environment: Content and features may be unstable or change without notice.
Advisory details: pypa / pyassimp/PYSEC-2025-156
Advisory ID pypa/pyassimp/PYSEC-2025-156
Aliases CVE-2025-11275
PYSEC-2025-156
Summary A vulnerability was identified in Open Asset Import Library Assimp 6.0.2. Affected by this vulnerability is the function ODDLParser::getNextSeparator in the library assimp/contrib/openddlparser/include/openddlparser/OpenDDLParserUtils.h. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3.1 7.8 https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-156.yaml
Reference id Reference type URL
6357 Bug https://github.com/assimp/assimp/issues/6357
?ctiid.327009 Other https://vuldb.com/?ctiid.327009
?id.327009 Advisory https://vuldb.com/?id.327009
poc.zip Exploit https://github.com/user-attachments/files/22417682/poc.zip
?submit.658675 Advisory https://vuldb.com/?submit.658675
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/pypa/advisory-database/blob/main/vulns/pyassimp/PYSEC-2025-156.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-10-06T20:13:30Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/11xxx/CVE-2025-11275.json

Source Advisory: vulnrichment/CVE-2025-11275

View SSVC decision tree 
[{'Exploitation': 'poc'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]