Medium [CVE-2026-54620] Use-After-Free vulnerability in SQLite aggregate function callbacks
This medium-severity Red Hat Linux advisory covers CVE-2026-54620.
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Summary
sqlite3 provides Ruby bindings for the SQLite3 embedded database. From 2.1.0 to 2.9.4, the callbacks used for SQLite aggregate functions can be freed while still referenced during aggregation, resulting in a use-after-free.
This issue is fixed in version 2.9.5. A local attacker could potentially exploit this use-after-free condition to cause unpredictable application behavior, which may lead to information disclosure or a denial of service (DoS).
Red Hat severity: Moderate — CVSS 4.5 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L). Weakness: CWE-825.
Red Hat lists Red Hat Satellite 6 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
Mitigation
Upgrade to a fixed release: 2.9.5. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
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