CVE-2026-50812 | A NULL pointer dereference in the SQLite Session Extension i… | CVSS 5.5 MEDIUM

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.

Metadata

CVE ID: CVE-2026-50812
State: PUBLISHED
Assigner: mitre
Reserved: 2026-06-07 00:00 UTC
Published: 2026-07-08 00:00 UTC
Last updated: 2026-07-08 20:11 UTC
Primary CWE: CWE-476
CWE-476 NULL Pointer Dereference
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

5.5 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-476	adp	CWE-476 NULL Pointer Dereference

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.5	MEDIUM	3.1	adp	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References (3)