CVE-2012-4576

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

7.8 High

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.42%Down 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

Record: CVE-2012-4576
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

Record: CVE-2012-4576
Updated: 2026-11-02

EUVDEUVD-2012-4502 No score

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

Record: EUVD-2012-4502
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4hcg-rr39-6g8j 7.8

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

FreeBSD: Input Validation Flaw allows local users to gain elevated privileges

Record: GHSA-4hcg-rr39-6g8j
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

Affected products

History

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

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

In short

CVE-2012-4576 is a high vulnerability (CVSS 7.8) in Freebsd, published December 2, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References