CVE-2026-2653
admesh normals.c stl_check_normal_vector heap-based overflow
- State
- Published
- Severity
- 4.8 Medium
- Published
- Feb 18, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 18, 2026
Description
A security flaw has been discovered in admesh up to 0.98.5. This issue affects the function stl_check_normal_vector of the file src/normals.c. Performing a manipulation results in heap-based buffer overflow. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. It looks like this product is not really maintained anymore.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS: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:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
admeshn/a |
|
References
- VDB-346450 | admesh normals.c stl_check_normal_vector heap-based overflowvdb-entrytechnical-description
- VDB-346450 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #752596 | Debian admesh <=0.98.5 Heap-based Buffer Overflowthird-party-advisory
- https://github.com/admesh/admesh/issues/65issue-tracking
- https://github.com/admesh/admesh/issues/65#issuecomment-3804571402issue-tracking
- https://github.com/user-attachments/files/24878279/id.000035.sig.06.src.000550.time.910126.execs.241742.op.havoc.rep.5.zipexploit
- https://github.com/admesh/admesh/product
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