CVE-2020-26961

CVE-2020-26961: falha em Mozilla Firefox

Publicada em 09 dez 2020 · Atualizada em 04 ago 2024

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3Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackepss 1.2%

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding attack. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Produtos afetados

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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Referências

https://bugzilla.mozilla.org/show_bug.cgi?id=1672528 https://www.mozilla.org/security/advisories/mfsa2020-50/https://www.mozilla.org/security/advisories/mfsa2020-51/https://www.mozilla.org/security/advisories/mfsa2020-52/