VULNERABILITY INTELLIGENCE

CVE-2018-20346

CVSS score8.1 HIGH
EPSS probability10.23%
CISA KEVNot currently listed
Published2018-12-21
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries that occur after crafted changes to FTS3 shadow tables, allowing remote attackers to execute arbitrary code by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases), aka Magellan.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references