VULNERABILITY INTELLIGENCE

CVE-2021-20266

CVSS score4.9 MEDIUM
EPSS probability1.64%
CISA KEVNot currently listed
Published2021-04-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references