CVE-2021-20227

mediumCVSS 5.5covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

What: SQLite SELECT query handling contains a use-after-free vulnerability in src/select.c that allows denial of service or code execution.
Who is affected: Applications using SQLite for local SQL query processing are affected.
Urgency: Medium severity (CVSS 5.5) with local access required; upgrade is standard practice.
Action: Update SQLite to a patched version that fixes the use-after-free in SELECT query processing.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.

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