MEDIUM 5.9 Microsoft
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.
Microsoft Security Update 2026-Mar: In OCaml through 4.14.3, Bigarray.reshape allows an integer overflow, and resultant reading of arbitrary memory, when untrusted data is processed.
Affected Products
- azl3 ocaml 5.1.1-1 on Azure Linux 3.0
- cbl2 ocaml 4.13.1-2 on CBL Mariner 2.0
- azl3 ocaml 5.1.1-2 on Azure Linux 3.0
- cbl2 ocaml 4.13.1-3 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34353
- https://nvd.nist.gov/vuln/detail/CVE-2026-34353
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-03-10 via Microsoft. Affected: azl3 ocaml 5.1.1-1 on Azure Linux 3.0, cbl2 ocaml 4.13.1-2 on CBL Mariner 2.0, azl3 ocaml 5.1.1-2 on Azure Linux 3.0 and 1 more.
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