CVE-2021-3421

Updated: 2025-08-20 00:08:47.667636

Description:

A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x MEDIUM 4.3
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

AlmaLinux 9.2 ESU rpm 4.16.1.3 5.5 MEDIUM Ignored 2023-11-08 04:07:51 Exploitation is local and requires a user to install a malicious RPM or for an attacker to control t...
CentOS 6 ELS rpm 4.8.0 5.5 MEDIUM Ignored 2021-11-02 14:03:18 Ignored due to low severity
CentOS 7 ELS rpm 4.11.3 5.5 MEDIUM Ignored 2023-09-19 09:30:15 Ignored due to low severity
CentOS 8.4 ELS rpm 4.14.3-14 5.5 MEDIUM Already Fixed 2023-10-27 11:23:53
CentOS 8.5 ELS rpm 4.14.3-19 5.5 MEDIUM Already Fixed 2023-11-07 04:07:02
CloudLinux 6 ELS rpm 4.8.0 5.5 MEDIUM Ignored 2021-11-02 14:03:18 Ignored due to low severity
Oracle Linux 6 ELS rpm 4.8.0 5.5 MEDIUM Ignored 2021-11-02 14:03:18 Ignored due to low severity