CVE-2021-29986

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-29986
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29986.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-29986
Downstream
Related
Published
2021-08-17T20:15:07Z
Modified
2025-08-09T20:01:26Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. Note: This issue only affected Linux operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

References

Affected packages