CVE-2026-2653
admesh normals.c stl_check_normal_vector heap-based overflow
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.
INFO
Published Date :
Feb. 18, 2026, 11:16 a.m.
Last Modified :
Feb. 20, 2026, 4:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update admesh to a version later than 0.98.5.
- Apply input validation to mitigate overflow risks.
- Implement memory safety checks in stl_check_normal_vector.
- Consider alternative, maintained libraries if applicable.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2653.
| URL | Resource |
|---|---|
| https://github.com/admesh/admesh/ | Product |
| https://github.com/admesh/admesh/issues/65 | Issue Tracking |
| https://github.com/admesh/admesh/issues/65#issuecomment-3804571402 | Issue Tracking |
| https://github.com/user-attachments/files/24878279/id.000035.sig.06.src.000550.time.910126.execs.241742.op.havoc.rep.5.zip | Exploit |
| https://vuldb.com/?ctiid.346450 | Permissions Required VDB Entry |
| https://vuldb.com/?id.346450 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.752596 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2653 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2653
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2653 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2653 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 20, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:admesh_project:admesh:*:*:*:*:*:*:*:* versions up to (including) 0.98.5 Added Reference Type VulDB: https://github.com/admesh/admesh/ Types: Product Added Reference Type VulDB: https://github.com/admesh/admesh/issues/65 Types: Issue Tracking Added Reference Type VulDB: https://github.com/admesh/admesh/issues/65#issuecomment-3804571402 Types: Issue Tracking Added Reference Type VulDB: https://github.com/user-attachments/files/24878279/id.000035.sig.06.src.000550.time.910126.execs.241742.op.havoc.rep.5.zip Types: Exploit Added Reference Type VulDB: https://vuldb.com/?ctiid.346450 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.346450 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.752596 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 18, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-119 Added CWE CWE-122 Added Reference https://github.com/admesh/admesh/ Added Reference https://github.com/admesh/admesh/issues/65 Added Reference https://github.com/admesh/admesh/issues/65#issuecomment-3804571402 Added Reference https://github.com/user-attachments/files/24878279/id.000035.sig.06.src.000550.time.910126.execs.241742.op.havoc.rep.5.zip Added Reference https://vuldb.com/?ctiid.346450 Added Reference https://vuldb.com/?id.346450 Added Reference https://vuldb.com/?submit.752596