CVE-2019-19646 — pragma

pragma.c in SQLite through 3.30.1 mishandles NOT NULL in an integrity_check PRAGMA command in certain cases of generated columns.

01What is this vulnerability?

pragma.c in SQLite through 3.30.1 mishandles NOT NULL in an integrity_check PRAGMA command in certain cases of generated columns.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-12-09T19:15:14.757
• Last modified: 2026-10-14T08:16:58.763

09References

• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• github.com — https://github.com/sqlite/sqlite/commit/926f796e8feec15f3836aa0a060ed906f8ae04d3
• github.com — https://github.com/sqlite/sqlite/commit/ebd70eedd5d6e6a890a670b5ee874a5eae86b4dd
• security.netapp.com — https://security.netapp.com/advisory/ntap-20191223-0001/
• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
• www.sqlite.org — https://www.sqlite.org/
• www.tenable.com — https://www.tenable.com/security/tns-2021-14
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• github.com — https://github.com/sqlite/sqlite/commit/926f796e8feec15f3836aa0a060ed906f8ae04d3
• github.com — https://github.com/sqlite/sqlite/commit/ebd70eedd5d6e6a890a670b5ee874a5eae86b4dd