Vulnerability CVE-2021-23960: Information
Description
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Severity: HIGH (8.8) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Fixed packages
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
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https://bugzilla.mozilla.org/show_bug.cgi?id=1675755 |
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https://www.mozilla.org/security/advisories/mfsa2021-04/ |
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https://www.mozilla.org/security/advisories/mfsa2021-05/ |
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https://www.mozilla.org/security/advisories/mfsa2021-03/ |
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