CVE-2021-23999 (GCVE-0-2021-23999)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:25 – Updated: 2024-08-03 19:14
VLAI
Summary
If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • Blob URLs may have been granted additional privileges
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox ESR Affected: unspecified , < 78.10 (custom)
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Mozilla Thunderbird Affected: unspecified , < 78.10 (custom)
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Mozilla Firefox Affected: unspecified , < 88 (custom)
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