CVE-2026-50812
A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e807d4e3798efd53 allows an attacker who can supply a malformed changeset blob to cause a denial of service. The issue occurs when sqlite3changeset_apply_v3() applies a corrupt changeset and reaches sqlite3_value_type() with a NULL sqlite3_value pointer.
CSIRTS triage
- What
- SQLite has vulnerabilities that can lead to denial of service and potential information disclosure.
- Who is affected
- Users of SQLite that utilize the Session Extension.
- Urgency
- Remediation is necessary to prevent potential crashes and information leaks.
- Action
- Users should apply the latest updates to SQLite.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownUSN-8565-1: SQLite vulnerabilitiesubuntu · 2026-07-20
- mediumCVE-2026-50812: A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk b…nvd · 2026-07-08
External references
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