Vulnerability · Published Jul 8, 2026 · Assigned by mitre
CVE-2026-50812
Medium 5.5
In plain English
A medium-severity null pointer dereference in the sqlite3 package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | sqlite3 | no fix listed | DEBIAN-CVE-2026-50812 |
| Debian:13 | sqlite3 | no fix listed | DEBIAN-CVE-2026-50812 |
| Debian:14 | sqlite3 | 3.53.2-1 | DEBIAN-CVE-2026-50812 |
| Ubuntu:22.04:LTS | sqlite | no fix listed | UBUNTU-CVE-2026-50812 |
| Ubuntu:22.04:LTS | sqlite3 | 3.37.2-2ubuntu0.7 | USN-8565-1 |
| Ubuntu:22.04:LTS | sqlite3 | 3.37.2-2ubuntu0.7 | UBUNTU-CVE-2026-50812 |
| Ubuntu:24.04:LTS | sqlite3 | 3.45.1-1ubuntu2.7 | USN-8565-1 |
| Ubuntu:24.04:LTS | sqlite3 | 3.45.1-1ubuntu2.7 | UBUNTU-CVE-2026-50812 |
| Ubuntu:25.10 | sqlite3 | no fix listed | UBUNTU-CVE-2026-50812 |
| Ubuntu:26.04:LTS | sqlite3 | 3.46.1-9ubuntu0.2 | UBUNTU-CVE-2026-50812 |
| Ubuntu:26.04:LTS | sqlite3 | 3.46.1-9ubuntu0.2 | USN-8565-1 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H