github - ghsa-cp22-2989-32j9

ghsa-cp22-2989-32j9

Vulnerability from github

Published

2022-05-24 17:35

Modified

2022-05-24 17:35

Severity ?

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-26950"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-09T01:15:00Z",
    "severity": "HIGH"
  },
  "details": "In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox \u003c 82.0.3, Firefox ESR \u003c 78.4.1, and Thunderbird \u003c 78.4.2.",
  "id": "GHSA-cp22-2989-32j9",
  "modified": "2022-05-24T17:35:36Z",
  "published": "2022-05-24T17:35:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26950"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1675905"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-49"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/166175/Firefox-MCallGetProperty-Write-Side-Effects-Use-After-Free.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2020-26950 (GCVE-0-2020-26950)

Vulnerability from cvelistv5

Published

2020-12-09 00:19

Modified

2024-08-04 16:03

Severity ?

CWE

Write side effects in MCallGetProperty opcode not accounted for

Summary

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

References

URL

Tags

	https://bugzilla.mozilla.org/show_bug.cgi?id=1675905	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-49/	x_refsource_CONFIRM
	http://packetstormsecurity.com/files/166175/Firefox-MCallGetProperty-Write-Side-Effects-Use-After-Free.html	x_refsource_MISC

Impacted products

Vendor

Product

Version

Version: < 82.0.3

	Mozilla	Firefox ESR	Version: < 78.4.1
	Mozilla	Thunderbird	Version: < 78.4.2

Show details on NVD website

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Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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