VULNERABILITY INTELLIGENCE

CVE-2021-29627

CVSS score7.8 HIGH
EPSS probability0.75%
CISA KEVNot currently listed
Published2021-04-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.

Weakness classification

  • nvd@nist.gov: CWE-415

Primary references