github - ghsa-5hq3-8hcw-572m

GHSA-5HQ3-8HCW-572M

Vulnerability from github – Published: 2022-05-24 17:43 – Updated: 2022-05-24 17:43

Details

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-23954"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-02-26T03:15:00Z",
    "severity": "HIGH"
  },
  "details": "Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox \u003c 85, Thunderbird \u003c 78.7, and Firefox ESR \u003c 78.7.",
  "id": "GHSA-5hq3-8hcw-572m",
  "modified": "2022-05-24T17:43:11Z",
  "published": "2022-05-24T17:43:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23954"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1684020"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-03"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-04"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-05"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-23954 (GCVE-0-2021-23954)

Vulnerability from cvelistv5 – Published: 2021-02-26 02:10 – Updated: 2024-08-03 19:14

Summary

Severity ?

No CVSS data available.

CWE

Type confusion when using logical assignment operators in JavaScript switch statements

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=1684020	x_refsource_MISC

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: < 85

	Mozilla	Thunderbird	Affected: < 78.7
	Mozilla	Firefox ESR	Affected: < 78.7

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-5HQ3-8HCW-572M

CVE-2021-23954 (GCVE-0-2021-23954)

Tags

Sightings

Nomenclature