CVE-2020-26950

CVE-2020-26950

EPSS 42.6%

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.

Produtos afetados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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Referências

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