peter bassill · operator
$ cve CVE-2018-9838 JSON

CVE-2018-9838

9.8
CRITICAL · CVSS 3.0 · EPSS 4.1% (pctl 91)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

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.

Scoring

CVSS9.8 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS4.14% — more likely to be exploited than 91% of all CVEs
WeaknessCWE-190
On CISA KEVno
Public exploitnone known
Published2018-04-06
Last modified2026-06-17

Affected (1)

VendorProduct
ocamlocaml

References

→ the Explorer  ·  watch your stack  ·  NVD