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In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.

Critical CVSS 9.8
CVECVE-2020-11656
First seen2026-10-14 11:15 UTC
Disclosed2020-04-09 03:15 UTC
Last updated2026-10-14 11:15 UTC
Channel statusauto

Summary

In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.

In-depth triage

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

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Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD