Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-29627

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.

  • Published: Apr 7, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-29627
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
freebsd / freebsd 12.2-p1 12.2-p1.x
freebsd / freebsd 12.2-p2 12.2-p2.x
freebsd / freebsd 12.2 12.2.x
freebsd / freebsd 13.0-rc1 13.0-rc1.x
freebsd / freebsd 13.0-rc2 13.0-rc2.x
freebsd / freebsd 13.0-beta1 13.0-beta1.x
freebsd / freebsd 13.0-beta2 13.0-beta2.x
freebsd / freebsd 13.0-beta3 13.0-beta3.x
freebsd / freebsd 13.0-beta4 13.0-beta4.x
freebsd / freebsd 13.0-rc3 13.0-rc3.x
freebsd / freebsd 12.0 12.2