github - ghsa-5vgc-hmw3-287j

GHSA-5VGC-HMW3-287J

Vulnerability from github – Published: 2022-05-14 01:52 – Updated: 2025-11-25 18:32

Details

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

Severity ?

8.1 (High)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2018-12386"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-704"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-10-18T13:29:00Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR \u003c 60.2.2 and Firefox \u003c 62.0.3.",
  "id": "GHSA-5vgc-hmw3-287j",
  "modified": "2025-11-25T18:32:14Z",
  "published": "2022-05-14T01:52:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-12386"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:2881"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:2884"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1493900"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201810-01"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3778-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4310"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2018-24"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/105460"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1041770"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-12386 (GCVE-0-2018-12386)

Vulnerability from cvelistv5 – Published: 2018-10-18 13:00 – Updated: 2024-08-05 08:30

Summary

Severity ?

No CVSS data available.

CWE

Type confusion in JavaScript

Assigner

mozilla

References

URL

Tags

	https://security.gentoo.org/glsa/201810-01	vendor-advisoryx_refsource_GENTOO
	http://www.securityfocus.com/bid/105460	vdb-entryx_refsource_BID
	https://usn.ubuntu.com/3778-1/	vendor-advisoryx_refsource_UBUNTU
	https://www.debian.org/security/2018/dsa-4310	vendor-advisoryx_refsource_DEBIAN
	https://access.redhat.com/errata/RHSA-2018:2884	vendor-advisoryx_refsource_REDHAT
	http://www.securitytracker.com/id/1041770	vdb-entryx_refsource_SECTRACK
	https://bugzilla.mozilla.org/show_bug.cgi?id=1493900	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:2881	vendor-advisoryx_refsource_REDHAT

Impacted products

Vendor

Product

Version

Mozilla

Firefox ESR

Affected: unspecified , < 60.2.2 (custom)

Mozilla

Firefox

Affected: unspecified , < 62.0.3 (custom)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

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-5VGC-HMW3-287J

CVE-2018-12386 (GCVE-0-2018-12386)

Tags

Sightings

Nomenclature