UBUNTU-CVE-2012-0839

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Source
https://ubuntu.com/security/CVE-2012-0839
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-0839.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2012-0839
Upstream
Withdrawn
2025-07-18T16:42:45Z
Published
2012-02-08T20:55:00Z
Modified
2025-07-16T08:10:32.675703Z
Severity
  • Ubuntu - low
Summary
[none]
Details

OCaml 3.12.1 and earlier computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

References

Affected packages

Ubuntu:14.04:LTS / ocaml

Package

Name
ocaml
Purl
pkg:deb/ubuntu/ocaml@4.01.0-3ubuntu3?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.01.0-3ubuntu3

Affected versions

3.*

3.12.1-4ubuntu1

4.*

4.01.0-3ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "camlp4",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "camlp4-extra",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-base",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-base-nox",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-compiler-libs",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-interp",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-mode",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-native-compilers",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-nox",
            "binary_version": "4.01.0-3ubuntu3"
        },
        {
            "binary_name": "ocaml-source",
            "binary_version": "4.01.0-3ubuntu3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-0839.json"