# CVE-2019-9936: CVE-2019-9936

Status: published. Published: 2019-03-22. Updated: 2026-11-02.

In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5_hash.c.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / n/a: Version not specified (affected). Source: CNA: mitre
- Siemens / SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: ≥ V3.1.0; < V3.1.5 (affected, custom). Source: ADP: siemens-SADP
- Siemens / SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP: ≥ V3.1.0; < V3.1.5 (affected, custom). Source: ADP: siemens-SADP
- Siemens / SIPLUS S7-1500 CPU 1518-4 PN/DP MFP: ≥ V3.1.0; < V3.1.5 (affected, custom). Source: ADP: siemens-SADP

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 5.35% as of 2026-11-02; percentile 92.64%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: Not reported

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114382.html (CNA: mitre; x_refsource_MISC)

- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114394.html (CNA: mitre; x_refsource_MISC)

- https://sqlite.org/src/info/b3fa58dd7403dbd4 (CNA: mitre; x_refsource_MISC)

- http://www.securityfocus.com/bid/107562 (CNA: mitre; vdb-entry, x_refsource_BID)

- https://security.netapp.com/advisory/ntap-20190416-0005/ (CNA: mitre; x_refsource_CONFIRM)

- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00026.html (CNA: mitre; vendor-advisory, x_refsource_SUSE)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/ (CNA: mitre; vendor-advisory, x_refsource_FEDORA)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/ (CNA: mitre; vendor-advisory, x_refsource_FEDORA)

- https://usn.ubuntu.com/4019-1/ (CNA: mitre; vendor-advisory, x_refsource_UBUNTU)

- https://security.gentoo.org/glsa/201908-09 (CNA: mitre; vendor-advisory, x_refsource_GENTOO)

- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (CNA: mitre; x_refsource_MISC)

- https://www.oracle.com/security-alerts/cpujan2020.html (CNA: mitre; x_refsource_MISC)

- https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html (CNA: mitre; mailing-list, x_refsource_MLIST)

- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114382.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114394.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://sqlite.org/src/info/b3fa58dd7403dbd4 (ADP: CVE; x_refsource_MISC, x_transferred)

- http://www.securityfocus.com/bid/107562 (ADP: CVE; vdb-entry, x_refsource_BID, x_transferred)

- https://security.netapp.com/advisory/ntap-20190416-0005/ (ADP: CVE; x_refsource_CONFIRM, x_transferred)

- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00026.html (ADP: CVE; vendor-advisory, x_refsource_SUSE, x_transferred)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/ (ADP: CVE; vendor-advisory, x_refsource_FEDORA, x_transferred)

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/ (ADP: CVE; vendor-advisory, x_refsource_FEDORA, x_transferred)

- https://usn.ubuntu.com/4019-1/ (ADP: CVE; vendor-advisory, x_refsource_UBUNTU, x_transferred)

- https://security.gentoo.org/glsa/201908-09 (ADP: CVE; vendor-advisory, x_refsource_GENTOO, x_transferred)

- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.oracle.com/security-alerts/cpujan2020.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html (ADP: CVE; mailing-list, x_refsource_MLIST, x_transferred)

- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (ADP: siemens-SADP)

## Provenance

- CNA: mitre: https://www.cve.org/CVERecord?id=CVE-2019-9936; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2019-9936; retrieved 2026-11-02; source updated Not reported

Revision: 4aa8ffaf6779decf53f3b1cb1335a3cd989336b6ac5590d584384cb4f030e658

Canonical: https://y2.dev/cve/CVE-2019-9936

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