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CVE-2021-23960

CVE-2021-23960

EPSS 1.2%
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.
Produtos afetados
Mozilla · FirefoxMozilla · Firefox ESRMozilla · Thunderbird

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Referências
https://bugzilla.mozilla.org/show_bug.cgi?id=1675755https://www.mozilla.org/security/advisories/mfsa2021-03/https://www.mozilla.org/security/advisories/mfsa2021-04/https://www.mozilla.org/security/advisories/mfsa2021-05/