Bug 2452093 (CVE-2026-34353)

Summary: CVE-2026-34353 ocaml: OCaml: Information disclosure via integer overflow in Bigarray.reshape
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in OCaml. An integer overflow vulnerability exists in the `Bigarray.reshape` function, which can be triggered when processing untrusted data. This flaw allows an attacker to read arbitrary memory, potentially leading to information disclosure.
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Description OSIDB Bzimport 2026-03-27 06:02:15 UTC
In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.