Attacker Value
Unknown
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Exploitability
Unknown
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User Interaction
Unknown
Privileges Required
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Attack Vector
Unknown
0

CVE-2021-38504

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Description

When interacting with an HTML input element’s file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

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General Information

Vendors

  • Mozilla

Products

  • Firefox,
  • Thunderbird,
  • Firefox ESR
Technical Analysis