Description
In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.
Published: 2026-03-27
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Arbitrary Memory Read via Integer Overflow
Action: Patch Now
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 27 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 27 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
Title Integer Overflow in OCaml Bigarray.reshape Allowing Arbitrary Memory Read ocaml: OCaml: Information disclosure via integer overflow in Bigarray.reshape
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 27 Mar 2026 09:30:00 +0000

Type Values Removed Values Added
Title Integer Overflow in OCaml Bigarray.reshape Allowing Arbitrary Memory Read

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-03-27T13:45:47.350Z

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

Link: CVE-2026-34353

cve-icon Vulnrichment

Updated: 2026-03-27T13:40:03.293Z

cve-icon NVD

Status : Analyzed

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

Modified: 2026-04-14T18:43:51.580

Link: CVE-2026-34353

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-03-27T04:55:58Z

Links: CVE-2026-34353 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-27T09:22:18Z

Weaknesses