github - ghsa-w4gq-6hmw-x862

ghsa-w4gq-6hmw-x862

Vulnerability from github

Published

2022-05-24 17:35

Modified

2022-05-24 17:35

Details

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-26959"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-09T01:15:00Z",
    "severity": "HIGH"
  },
  "details": "During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
  "id": "GHSA-w4gq-6hmw-x862",
  "modified": "2022-05-24T17:35:38Z",
  "published": "2022-05-24T17:35:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26959"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1669466"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-50"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-51"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-52"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2020-26959

Vulnerability from cvelistv5

Published

2020-12-09 00:22

Modified

2024-08-04 16:03

Severity ?

Summary

References

▼	URL	Tags
	https://bugzilla.mozilla.org/show_bug.cgi?id=1669466	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-50/	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2020-52/	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2020-51/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Firefox ESR
	Mozilla	Thunderbird

Show details on NVD website

JSON

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            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1669466"
          },
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          },
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            ],
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          },
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            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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            }
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      ],
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      "x_legacyV4Record": {
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    "dateReserved": "2020-10-12T00:00:00",
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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