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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2021-03-23

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• oracle:communications_network_charging_and_control
• oracle:enterprise_manager_for_oracle_database
• oracle:jd_edwards_enterpriseone_tools
• oracle:mysql_workbench
• oracle:outside_in_technology
• oracle:zfs_storage_appliance_kit
• sqlite:sqlite

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1924886
• https://security.gentoo.org/glsa/202103-04
• https://security.gentoo.org/glsa/202210-40
• https://security.netapp.com/advisory/ntap-20210423-0010/
• https://www.oracle.com//security-alerts/cpujul2021.html

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