CVE-2020-12420

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-12420
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12420.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-12420
Downstream
Related
Published
2020-07-09T15:15:11Z
Modified
2025-08-09T19:01:27Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

References

Affected packages