github - ghsa-qxrm-24v6-5c8c

GHSA-QXRM-24V6-5C8C

Vulnerability from github – Published: 2022-05-24 16:44 – Updated: 2025-11-25 18:32

Details

Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Severity ?

8.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2019-9813"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-04-26T17:29:00Z",
    "severity": "HIGH"
  },
  "details": "Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox \u003c 66.0.1, Firefox ESR \u003c 60.6.1, and Thunderbird \u003c 60.6.1.",
  "id": "GHSA-qxrm-24v6-5c8c",
  "modified": "2025-11-25T18:32:16Z",
  "published": "2022-05-24T16:44:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9813"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:0966"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:1144"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1538006"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2019-09"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2019-10"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2019-12"
    }
  ],
  "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:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2019-9813 (GCVE-0-2019-9813)

Vulnerability from cvelistv5 – Published: 2019-04-26 16:09 – Updated: 2024-08-04 22:01

Summary

Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Severity ?

No CVSS data available.

CWE

Ionmonkey type confusion with __proto__ mutations

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1538006	x_refsource_MISC
	https://access.redhat.com/errata/RHSA-2019:0966	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:1144	vendor-advisoryx_refsource_REDHAT

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 66.0.1 (custom)

	Mozilla	Firefox ESR	Affected: unspecified , < 60.6.1 (custom)
	Mozilla	Thunderbird	Affected: unspecified , < 60.6.1 (custom)

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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-QXRM-24V6-5C8C

CVE-2019-9813 (GCVE-0-2019-9813)

Tags

Sightings

Nomenclature