CVE-2026-50812

Published Jul 8, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-8565-1 SQLite vulnerabilities
History
Type Values Removed Values Added
Title SQLite Session Extension NULL Pointer Dereference Enables Denial of Service with Malformed Changesets
Type Values Removed Values Added
Title SQLite Session Extension NULL Pointer Dereference Enables Denial of Service with Malformed Changesets
Type Values Removed Values Added
Title Null Pointer Dereference in SQLite Session Extension Causes DoS
Type Values Removed Values Added
Title Null Pointer Dereference in SQLite Session Extension Causes DoS
Type Values Removed Values Added
Title SQLite NULL Pointer Dereference in Session Extension Leading to Denial of Service
Type Values Removed Values Added
Title SQLite NULL Pointer Dereference in Session Extension Leading to Denial of Service
Type Values Removed Values Added
Title SQLite Session Extension NULL Pointer Dereference Causing Denial of Service
Type Values Removed Values Added
Title SQLite Session Extension NULL Pointer Dereference Causing Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference in SQLite Session Extension Causing Denial of Service
Type Values Removed Values Added
Title Null Pointer Dereference in SQLite Session Extension Causing Denial of Service
Type Values Removed Values Added
Title SQLite Session Extension NULL Pointer Dereference Leads to Denial of Service
Type Values Removed Values Added
Title SQLite Session Extension NULL Pointer Dereference Leads to Denial of Service
Type Values Removed Values Added
Weaknesses CWE-476
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sqlite
Sqlite sqlite
Vendors & Products Sqlite
Sqlite sqlite
Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 8, 2026, 8:11 PM
Reserved
Jun 7, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Jul 8, 2026, 6:16 PM
Modified
Jul 9, 2026, 7:48 PM