Vulnerability Database

308,926

Total vulnerabilities in the database

CVE-2020-11721

load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.

  • Published: Apr 12, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2020-11721
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
libsixel_project / libsixel 1.8.6 1.8.6.x