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Servers and applications

CVE-2018-20506

SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries in a "merge" operation that occurs 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). This is a different…

Severity
High 8.1
Published
3 Apr 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.25.3
Exploit chance
7.5% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
SQLiteServers and applications · cpe:a:sqlite:sqlite
  • Every version before 3.25.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-20506
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-20506