CVE-2020-6820

Mozilla Firefox And Thunderbird Use-After-Free Vulnerability

Firefox

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

24. Apr 2020

Ausgewertete Quellen

• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2020-11/
• Mozilla
  https://www.mozilla.org/security/advisories/mfsa2020-14/
• Ubuntu
  https://usn.ubuntu.com/4335-1/
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-6820
• CISA
  Mozilla Firefox And Thunderbird Use-After-Free Vulnerability
• NVD
  CVE-2020-6820