CVE-2018-9838

ocaml: Integer overflow in byterun/bigarray.c:caml_ba_deserialize() allows remote attackers to cause a denial of service or other unspecified impact

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Severity

Low

Red Hat Product Security

5.6

CVSS 3.0

Review impact separately from score.

Published · April 6, 2018

Updated · November 22, 2025

Description

The caml_ba_deserialize function in byterun/bigarray.c in the standard library in OCaml 4.06.0 has an integer overflow which, in situations where marshalled data is accepted from an untrusted source, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted object.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.6
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE-190 · Integer Overflow or Wraparound