Vulnerability Database

322,935

Total vulnerabilities in the database

CVE-2020-23856

Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

  • Published: May 18, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-23856
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
gnu / cflow 1.6 1.6.x
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x