CVE-2026-34353

Name: CVE-2026-34353
Creator: NVD / NIST
Published: 2026-03-27T06:16:39.333+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2026-34353 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.1/10

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

EPSS Probability

0.11%

1.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Ocaml	Ocaml	<= 4.14.3

References

https://github.com/ocaml/ocaml/issues/14655Issue Tracking
https://github.com/ocaml/ocaml/pull/14674Issue Tracking

Timeline

Published: Mar 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-34353?

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

How severe is CVE-2026-34353?

CVE-2026-34353 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2026-34353?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-34353?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST