CWE
787
Advisory Published
CVE Published
Updated

CVE-2020-26952

First published: Tue Nov 17 2020(Updated: )

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox and Thunderbird<83
83
Mozilla Firefox and Thunderbird<83.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this issue?

    The vulnerability ID of this issue is CVE-2020-26952.

  • What is the severity of CVE-2020-26952?

    The severity of CVE-2020-26952 is critical with a CVSS score of 8.8.

  • Which software is affected by CVE-2020-26952?

    Firefox versions up to exclusive version 83 are affected by CVE-2020-26952.

  • What is the potential impact of CVE-2020-26952?

    CVE-2020-26952 could lead to memory corruption and potentially exploitable crashes when handling out-of-memory errors.

  • How can I fix CVE-2020-26952?

    To fix CVE-2020-26952, update Firefox to version 83 or later.

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