Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-35001

CVE-2026-35001HIGH

OpenS100 S-102 Parser Integer Overflow Heap Buffer Overflow

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   L   H   N   N   A   H   H   H    7.1   .0013    2.1     —

AFFECTED
  Product   Versions     Fixed
  OpenS100  unspecified  —

TIMELINE
  Mar 31  Reserved by VulnCheck
  Oct 13  Published (CNA: VulnCheck)
  Oct 14  EXPLOIT PUBLISHED — CVE-2026-35001 (OpenS100 Project OpenS100). Public exploit reference added.
  Oct 14  RESCORED — CVE-2026-35001 (OpenS100 Project OpenS100). CVSS 8.4 → 7.1 (NVD).
  Oct 15  EXPLOIT PUBLISHED — CVE-2026-35001 (OpenS100 Project OpenS100). Public exploit reference added.

CWE-122, CWE-190 · CNA: VulnCheck · CVSS v4.0 · 2 references · NVD status: Deferred

Description

OpenS100 through commit 2b1dafc contains an integer overflow vulnerability in the S-102 Bathymetric Surface parser. An attacker can supply a crafted S-102 HDF5 file with malicious grid dimension metadata that causes memory corruption when a user opens it. In the S102_VG_BathymetryCoverage::Read() function, the numPointsLatitudinal and numPointsLongitudinal values are multiplied without validation, and the 32-bit result can wrap around, producing an undersized heap buffer allocation. Subsequent writes past the end of that buffer cause a heap-based buffer overflow, leading to an application crash or potential arbitrary code execution in the context of the user who opened the file.

Lifecycle

Complete event history — 5 events, chronological
Date	Event	Detail
March 31, 2026	Reserved	Reserved by VulnCheck
October 13, 2026	Published	Published (CNA: VulnCheck)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-35001 (OpenS100 Project OpenS100). Public exploit reference added.
October 14, 2026	RESCORED	RESCORED — CVE-2026-35001 (OpenS100 Project OpenS100). CVSS 8.4 → 7.1 (NVD).
October 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-35001 (OpenS100 Project OpenS100). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
OpenS100 Project	OpenS100	—	—	—

Weaknesses

CWE-122 · CWE-190

References (2)

Authoritative record: CVE-2026-35001 at cve.org

Vendors: opens100 project

Weaknesses: CWE-122 · CWE-190

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-35001 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.