What’s Vulnerable › Vulnerabilities

CVE-2026-2653: admesh normals.c stl_check_normal_vector heap-based overflow

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-18 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• admesh: through 0.98.5

References

• https://github.com/admesh/admesh/
• https://github.com/admesh/admesh/issues/65
• https://github.com/admesh/admesh/issues/65#issuecomment-3804571402
• https://github.com/user-attachments/files/24878279/id.000035.sig.06.src.000550.time.910126.execs.241742.op.havoc.rep.5.zip
• https://vuldb.com/?ctiid.346450
• https://vuldb.com/?id.346450
• https://vuldb.com/?submit.752596

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