ubuntu-cve-2018-9838
Vulnerability from osv_ubuntu
Published
2018-04-06 18:29
Modified
2025-09-08 16:44
Summary
Details
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.
Severity
9.8 (Critical)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "camlp4",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "camlp4-extra",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-base",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-base-nox",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-compiler-libs",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-interp",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-mode",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-native-compilers",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-nox",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
},
{
"binary_name": "ocaml-source",
"binary_version": "4.01.0-3ubuntu3.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "ocaml",
"purl": "pkg:deb/ubuntu/ocaml@4.01.0-3ubuntu3.1+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.01.0-3ubuntu3.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.12.1-4ubuntu1",
"4.01.0-3ubuntu2",
"4.01.0-3ubuntu3",
"4.01.0-3ubuntu3.1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "ocaml",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-base",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-base-nox",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-compiler-libs",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-interp",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-mode",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-native-compilers",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-nox",
"binary_version": "4.02.3-5ubuntu2+esm1"
},
{
"binary_name": "ocaml-source",
"binary_version": "4.02.3-5ubuntu2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "ocaml",
"purl": "pkg:deb/ubuntu/ocaml@4.02.3-5ubuntu2+esm1?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.02.3-5ubuntu2+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.01.0-4ubuntu1",
"4.02.3-5ubuntu1",
"4.02.3-5ubuntu2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "ocaml",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-base",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-base-nox",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-compiler-libs",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-interp",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-mode",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-nox",
"binary_version": "4.05.0-10ubuntu1+esm1"
},
{
"binary_name": "ocaml-source",
"binary_version": "4.05.0-10ubuntu1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "ocaml",
"purl": "pkg:deb/ubuntu/ocaml@4.05.0-10ubuntu1+esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.05.0-10ubuntu1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.04.0-2ubuntu4",
"4.05.0-10ubuntu1"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2018-9838",
"modified": "2025-09-08T16:44:50Z",
"published": "2018-04-06T18:29:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-9838"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4778-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-9838"
}
],
"related": [
"USN-4778-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2018-9838"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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