---
title: "CVE-2026-35001: OpenS100 - Integer Overflow"
description: "OpenS100 contains an integer overflow caused by unvalidated multiplication of grid dimension metadata in S-102 Bathymetric Surface parser, letting remote attackers trigger heap buffer overflow and execute arbitrary code, exploit requires crafted S-102 HDF5 file."
url: https://panop.io/threat-heartbeat/CVE-2026-35001/
---

# CVE-2026-35001 OpenS100 - Integer Overflow

OpenS100 contains an integer overflow caused by unvalidated multiplication of grid dimension metadata in S-102 Bathymetric Surface parser, letting remote attackers trigger heap buffer overflow and execute arbitrary code, exploit requires crafted S-102 HDF5 file.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.20% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-35001)

## Details

Type

Integer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## Vendor fix

Update to the latest version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-35001](https://nvd.nist.gov/vuln/detail/CVE-2026-35001)
- [https://doi.org/10.3390/s26206448](https://doi.org/10.3390/s26206448)
- [https://www.vulncheck.com/advisories/opens100-s-102-parser-integer-overflow-heap-buffer-overflow](https://www.vulncheck.com/advisories/opens100-s-102-parser-integer-overflow-heap-buffer-overflow)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)