sqlite3-ruby: Use-After-Free in SQLite Aggregate Arguments in Heap-Allocated Argument Array — GHSA-MWM8-39RW-8826

Summary

## Summary Using `Database#create_aggregate`, `#create_aggregate_handler`, or `Database#define_aggregator` to define an aggregate function that takes two or more arguments, and then evaluating it over TEXT or BLOB column values, can free the Ruby objects holding those arguments while a later argument is still being converted, during ordinary garbage collection. The aggregate's `step` method then receives an…

Timeline

Published by source

2026-10-02

Risk context

• Reported severity or threat level: medium.
• Reported CVSS score: 6.3 out of 10.
• Review exposure for the affected product or family: rubygems: sqlite3.

Product

rubygems: sqlite3

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

Evidence and provenance

Canonical advisory ID

GHSA-MWM8-39RW-8826

Source

GitHub

Vendor

GitHub

Published by source

2026-10-02

Last source activity

2026-10-02

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.