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CVE PROGRAM SOURCE RECORDUnscored

CVE-2020-26959

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable cra

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • < 83affected

Mozilla Firefox ESR

  • < 78.5affected

Mozilla Thunderbird

  • < 78.5affected

References