All vulnerabilities

Servers and applications

CVE-2021-20227

A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.

Severity
Medium 5.5
Published
23 Mar 2021
Last changed
14 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.34.1
Sources
NVD

Affected software

SoftwareAffected versions
SQLiteServers and applications · cpe:a:sqlite:sqlite
  • From 3.33.0 before 3.34.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20227
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20227