Vulnerability-Lookup

GHSA-C4W7-M676-PCVP

Vulnerability from github – Published: 2022-05-14 03:14 – Updated: 2025-04-20 03:30

Details

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

Severity

9.8 (Critical)


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

Show details on source website

JSON

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  "affected": [],
  "aliases": [
    "CVE-2016-2339"
  ],
  "database_specific": {
    "cwe_ids": [
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-01-06T21:59:00Z",
    "severity": "CRITICAL"
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  "id": "GHSA-c4w7-m676-pcvp",
  "modified": "2025-04-20T03:30:48Z",
  "published": "2022-05-14T03:14:14Z",
  "references": [
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2339"
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    },
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      "url": "http://www.securityfocus.com/bid/91234"
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2016-2339 (GCVE-0-2016-2339)

Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-05 23:24

Summary

Severity

No CVSS data available.

CWE

heap overflow vulnerability

Assigner

certcc

References

3 references

URL	Tags
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/91234	vdb-entryx_refsource_BID
http://www.talosintelligence.com/reports/TALOS-20…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Ruby	Ruby	Affected: 2.3.0 dev Affected: 2.2.2

Date Public

2016-06-14 00:00

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-C4W7-M676-PCVP

CVE-2016-2339 (GCVE-0-2016-2339)

Tags

Sightings

Nomenclature