Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2021-3404

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

  • Published: Mar 4, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-3404
  • Severity: High
  • Exploit:

CVSS v3:

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

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
ytnef_project / ytnef 1.9.3 1.9.3.x
redhat / enterprise_linux 7.0 7.0.x
fedoraproject / fedora 33 33.x