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.
CVE-2019-9936
CVSS base score
7.5 (v3.0)
Severity
HIGH
Attack vector
Network
Weakness
CWE-125
Last modified
November 2, 2026
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
sqlite sqlite
References
- lists.opensuse.org
- www.securityfocus.com Third Party Advisory, VDB Entry
- lists.debian.org
- lists.fedoraproject.org
- lists.fedoraproject.org
- security.gentoo.org
- security.netapp.com Third Party Advisory
- sqlite.org Patch, Vendor Advisory
- usn.ubuntu.com
- www.mail-archive.com