CVE-2026-34353 — MEDIUM (5.9)

Q: What is CVE-2026-34353?

CVE-2026-34353 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.

Q: How severe is CVE-2026-34353?

CVE-2026-34353 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-34353?

Check the references section above for vendor advisories and patch information. Affected products include: Ocaml Ocaml.

Vulnerability Description

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

CVSS Score

5.9

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Ocaml	Ocaml	<= 4.14.3

Related Weaknesses (CWE)

CWE-190

References

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

FAQ

What is CVE-2026-34353?

CVE-2026-34353 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34353?

Check the references section above for vendor advisories and patch information. Affected products include: Ocaml Ocaml.