High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-9936
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:28 UTC · Revision 1
Source evidence
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.
osv:CVE-2019-9936
Complete source record
{
"id": "318f4d29bf46ea5140a9e256fdd85da896588efa7cd2c427c747e8f85e80faba",
"url": "https://osv.dev/vulnerability/CVE-2019-9936",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-9936",
"summary": "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.",
"evidence": "osv:CVE-2019-9936",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-9936",
"aliases": [
"CVE-2019-9936"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/sqlite/sqlite",
"type": "GIT",
"events": [
{
"introduced": "7e09d68476573ed9ef5ef90807e39292b2d81b78"
},
{
"last_affected": "7e09d68476573ed9ef5ef90807e39292b2d81b78"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:sqlite:sqlite:3.27.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.27.2"
},
{
"last_affected": "3.27.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.27.2",
"version-3.27.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9936.json"
}
}
],
"modified": "2026-10-24T10:30:53.733576269Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/",
"https://usn.ubuntu.com/4019-1/",
"https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114382.html",
"https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114394.html",
"https://www.oracle.com/security-alerts/cpujan2020.html",
"https://security.gentoo.org/glsa/201908-09",
"https://security.netapp.com/advisory/ntap-20190416-0005/",
"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
"https://sqlite.org/src/info/b3fa58dd7403dbd4"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-9936",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437991,
"published_at": "2019-03-22T08:29:00.607+00:00"
}