Vulnerability Database

309,961

Total vulnerabilities in the database

CVE-2021-20266

A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system availability.

  • Published: Apr 30, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-20266
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.9
  • AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:N/I:N/A:P

CWEs:

Software From Fixed in
rpm / rpm - 4.16.1.3
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x