In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OCaml OCaml unknown
Version Status Constraints
0 affected ≤ 4.14.3

No data.

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/ocaml/ocaml/issues/14655 cve-icon cve-icon
https://github.com/ocaml/ocaml/pull/14674 cve-icon cve-icon
History

Fri, 27 Mar 2026 05:30:00 +0000

Type Values Removed Values Added
Description In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.
First Time appeared Ocaml
Ocaml ocaml
Weaknesses CWE-190
CPEs cpe:2.3:a:ocaml:ocaml:*:*:*:*:*:*:*:*
Vendors & Products Ocaml
Ocaml ocaml
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-03-27T05:03:46.214Z

Reserved: 2026-03-27T04:55:57.875Z

Link: CVE-2026-34353

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-27T06:16:39.333

Modified: 2026-03-27T06:16:39.333

Link: CVE-2026-34353

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses