CVE-2021-3119

Zetetic SQLCipher 4.x before 4.4.3 has a NULL pointer dereferencing issue related to...

7.5 High

Zetetic SQLCipher 4.x before 4.4.3 has a NULL pointer dereferencing issue related to sqlcipher_export in crypto.c and sqlite3StrICmp in sqlite3.c. This may allow an attacker to perform a remote denial of service attack. For example, an SQL injection can be used to execute the crafted SQL command sequence, which causes a segmentation fault.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.56%Up 0.6 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2021-3119
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-3119
Updated: 2026-11-02

EUVDEUVD-2021-26470 No score

Record: EUVD-2021-26470
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r659-6fh2-v3gv 7.5

Zetetic SQLCipher 4.x before 4.4.3 has a NULL pointer dereferencing issue related to...

Record: GHSA-r659-6fh2-v3gv
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-89, CWE-476
Updated: 2026-11-02

OSV 7.5

Record: CVE-2021-3119
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

zetetic sqlcipher

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3119 is a high vulnerability (CVSS 7.5) in Zetetic Sqlcipher, published March 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.56%, the 75th percentile. No source names a fixed version.