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CVE-2026-54620: sqlite3-ruby has Use-After-Free in SQLite Aggregate Function Callbacks

July 28, 2026

Using Database#create_aggregate, #create_aggregate_handler, or Database#define_aggregator to define an aggregate function, and then using an open statement calling that function after the database has been explicitly closed will result in an invalid memory read and a segmentation fault.

References

  • github.com/advisories/GHSA-j7fr-3v8c-3qc3
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/sqlite3/CVE-2026-54620.yml
  • github.com/sparklemotion/sqlite3-ruby/commit/b24e1e6076528b7f95f99acf7a81c70d0004c726
  • github.com/sparklemotion/sqlite3-ruby/pull/711
  • github.com/sparklemotion/sqlite3-ruby/releases/tag/v2.9.5
  • github.com/sparklemotion/sqlite3-ruby/security/advisories/GHSA-j7fr-3v8c-3qc3
  • nvd.nist.gov/vuln/detail/CVE-2026-54620
  • www.cve.org/CVERecord/SearchResults?query=CVE-2026-54620

Code Behaviors & Features

Detect and mitigate CVE-2026-54620 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 2.1.0 before 2.9.5

Fixed versions

  • 2.9.5

Solution

Upgrade to version 2.9.5 or above.

Impact 4.5 MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Learn more about CVSS

Weakness

  • CWE-416: Use After Free

Source file

gem/sqlite3-ruby/CVE-2026-54620.yml

Spotted a mistake? Edit the file on GitLab.

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